False Assumption Registry

Social Media Safe for Adolescents

False Assumption: Social media is a reasonably safe consumer product for children and adolescents even when used heavily.

Summaries Written by FARAgent (AI) on February 09, 2026 · Pending Verification

For most of the 2010s, the respectable view was that social media was basically like earlier media, distracting at times, unpleasant in spots, but a reasonably safe consumer product for kids if used with ordinary supervision. The strongest argument for that view was not foolish. Correlation does not prove causation, adolescents with depression often retreat online, and every new medium, from comic books to television to video games, has inspired a moral panic. Researchers looking at broad population data often reported small average effects, and platform executives could say, with some plausibility, that these tools helped teenagers connect, find community, and express themselves.

That confidence began to look shakier after about 2012, when adolescent anxiety, depression, self-harm, and loneliness rose sharply in several countries at the same time smartphones and social platforms became woven into daily life. By 2017, Jean Twenge was arguing that the pattern was too large and too synchronized to dismiss, and Frances Haugen’s leaked Meta documents later showed the companies themselves had evidence that Instagram could worsen body image and distress for some teen girls. The old line, that there was “little to no evidence” of serious harm and that the effects were trivial, also sat awkwardly beside the ordinary facts of the product: cyberbullying at scale, sextortion, algorithmic exposure to self-harm content, sleep disruption, and compulsive use during puberty, when the brain is unusually sensitive to social reward and status.

The debate is still live, but it has moved. Mark Zuckerberg could still tell senators in 2024 that the evidence was not conclusive, and many social scientists continue to stress mixed findings and modest average effects. Even so, growing evidence suggests the earlier assumption, that heavy adolescent use was broadly safe unless proven otherwise, was too relaxed. An influential minority of researchers now argue that the key mistake was treating social media as one more neutral screen, instead of a behavior-shaping system delivered to children during a vulnerable developmental window.

Status: A small but growing and influential group of experts think this was false
People Involved
  • Jean Twenge, a psychologist and author, published a 2017 article in The Atlantic that laid out the correlations between the rapid adoption of smartphones and social media and the sudden collapse in adolescent mental health across the United States. She concluded that much of the deterioration in teen well-being could be traced to the arrival of these devices in pockets and bedrooms. Her work positioned her as an early voice raising alarms, though many colleagues treated her findings as preliminary. The article circulated widely among parents and some educators, yet it did not immediately shift institutional views. [1]
  • Mark Zuckerberg, CEO of Meta, testified before the U.S. Senate in 2024 and asserted that any observed correlation between social media use and poor mental health did not imply causation. He maintained this stance publicly even as internal company research had documented otherwise. His statements reinforced the long-standing industry position that the products remained reasonably safe for heavy adolescent use. The testimony drew scrutiny after whistleblower materials surfaced. [1]
  • Frances Haugen, a former Meta employee, leaked thousands of internal documents beginning in 2021 that included presentations and emails showing the company's awareness of specific harms to teenagers. She presented the materials to regulators and journalists, highlighting gaps between public statements and private knowledge. Her actions brought previously hidden data into public view and fueled calls for greater oversight. The leaks continued to surface in litigation for years afterward. [1]
  • Jon Haidt, a social psychologist and author, began warning about the effects of overprotection and later about smartphones and social media on Gen Z as early as 2015. He devoted a chapter in The Anxious Generation to the particular vulnerability of puberty to these platforms and published the book in March 2024. The work mobilized parents, teachers, and policymakers, contributing to legislative activity by 2025. He also advocated for a minimum age of 16 in multiple countries. [2][3][7][11][12]
  • Beeban Kidron, a filmmaker appointed to the House of Lords in 2012 and founder of the 5Rights Foundation, produced the 2013 documentary InRealLife that examined online harms experienced by teenagers. She later helped design the Age Appropriate Design Code and contributed to the Online Safety Act as a crossbench peer. In 2019 she was connected by Tristan Harris to Jon Haidt to advance policies that placed a duty of care on platforms. Her efforts helped move the United Kingdom toward enforceable standards. [10]
  • Candice Odgers, a developmental psychologist, argued in articles in Nature and The Atlantic that early mental health problems predicted later social media use rather than the reverse. She promoted this reverse predictability hypothesis as a caution against assuming causal harm from the platforms. Her pieces were widely cited by researchers who continued to question claims of direct damage. The publications sustained academic skepticism for several years. [13]
▶ Supporting Quotes (40)
“That’s when Jean Twenge suggested an answer to both questions in her provocative article in The Atlantic: “Have Smartphones Destroyed a Generation?” In it, she showed a historical correlation: adolescent behavior changed and their mental health collapsed just at the point in time when they traded in their flip phones for smartphones with always-available social media. She also showed a correlation relevant to the product safety question: The kids who spend the most time on screens (especially for social media) are the ones with the worst mental health. She concluded that “it’s not an exaggeration to describe iGen [Gen Z] as being on the brink of the worst mental-health crisis in decades. Much of this deterioration can be traced to their phones.””— Mountains of Evidence
“Twenge’s work was met with strong criticism from some social scientists whose main objection was that correlation does not prove causation (for both the historical correlation, and the product safety correlation).”— Mountains of Evidence
“Mark Zuckerberg used the argument himself in his 2024 testimony before the U.S. Senate. Under questioning by Senator Jon Osoff, he granted that the use of social media correlates with poor mental health but asserted that “there’s a difference between correlation and causation.””— Mountains of Evidence
“Some of this information had been available to the general public since 2021, when whistleblower Frances Haugen brought out thousands of screenshots of presentations and emails from her time working at Meta.”— Mountains of Evidence
“I devoted an entire chapter of The Anxious Generation to puberty because it is such a crucial period of brain re-wiring and identity formation.”— Why Every Country Should Set 16 (or Higher) as the Minimum Age for Social Media Accounts
“When The Anxious Generation came out in March 2024, we expected that many parents would read it, but we had no idea how quickly the world was going to change.”— A Year of Real Progress for Kids
“As Snap’s director of security engineering said regarding Android users who are selling drugs or child sexual abuse material on Snap: 'That’s fine it’s been broken for ten years we can tolerate tonight.'”— A Year of Real Progress for Kids
“New data from the United States collected by one of us (Coyne) in a paper currently under review shows that about half of parents feel guilty about the amount of time their children spend on media.”— How Tech Companies Rig Parental Guilt
“Talita Pruett, a California mom of three children ages 14, 13, and 5, is doing everything she can to be a present, involved parent. But one issue weighs on her more than anything else: guilt over media.”— How Tech Companies Rig Parental Guilt
“Australia has just taken one of the most important steps yet in the global effort to protect children online.”— Australia’s New Social Media Regulations Put Childhood First
“Australia’s social media age minimum will reduce the online harms that are affecting young people.”— Australia’s New Social Media Regulations Put Childhood First
“As a social psychologist who has been trying since 2015 to figure out what on earth was happening to Gen Z, I was stunned. Why? Because what the AI proposed doing is pretty much what technology seems to be doing to children today.”— The Devil’s Plan to Ruin the Next Generation
“As Mark Zuckerberg explained, the average American has fewer than three friends, but wants 15. Meta’s AI companions will fill that gap! And it’s not just for friends. Meta’s AIs were specifically permitted to engage in “sensual conversations” with children, according to a leaked internal policy memo that was approved by Meta’s full leadership.”— The Devil’s Plan to Ruin the Next Generation
“I wish, how I deeply wish, I had said the same about her online world. But as far as that was concerned it was just a long list of “don’t”s.”— Growing up Online Nearly Killed Me
“While the search continued, a policeman explained why reporting “sextortion” is so important. She was the victim, not the perpetrator, and it was vital she understood that so she didn’t internalise the shame. He left me with no doubt that shame kills.”— Growing up Online Nearly Killed Me
“The first signs of a reversal came in late 2022, when then-Minister of Schools Lotta Edholm called the digitalization of Swedish schools “an experiment” that wasn’t scientifically based and that harmed children’s learning.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
““We’re reintroducing books, pencils, and paper as the default tools for learning in the classroom,” said then-Minister of Education, Johan Pehrson during an online summit on ed-tech.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“Prominent influencers, such as tech entrepreneur and investor Sara Wimmercranz, have helped change the conversation around screens as well.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“It was her 2013 documentary film InRealLife that opened her eyes to what was happening to teens growing up online. In response, she founded the 5Rights Foundation, a charity named after a series of fundamental rights that children should be entitled to in the digital world.”— The UK Is Doing the Hard Work of Protecting Children Online
“In December 2019, Tristan Harris (of the Center for Humane Technology) sent me an email introducing me to Beeban Kidron. He said she is “leading the charge on UK tech policy for kids’ use and ‘Duty of Care.’"”— The UK Is Doing the Hard Work of Protecting Children Online
“It wasn’t until I read Jonathan Haidt’s book, The Anxious Generation, that I began to understand the larger picture. Haidt demonstrates that Gen Z (children born between 1997 and 2012) is indeed experiencing worse mental health than previous generations. He then explains why he believes the main culprit is social media, an external force acting on the internal forces of adolescent development.”— The Anxious Generation in the Classroom
“This year will be my twentieth as a secondary English teacher. Within the last ten, I have seen a profound shift in the social and emotional behavior of students in my classes... For anyone who is suspicious, Haidt provides copious evidence that the overall mental health of Gen Z has been declining relative to previous generations.”— The Anxious Generation in the Classroom
“I just returned from 12 days in Davos, London, and Brussels, where my goal was to encourage political leaders to raise the minimum age to 16 for opening or having social media accounts in their countries. This is the second of my four norms for a healthier childhood, laid out in my book, The Anxious Generation.”— Why the World Is Drawing a Line on Social Media for Kids
“The first was Peter Malinauskas (premier of South Australia), who commissioned a report on how such a law could be drafted.”— Why the World Is Drawing a Line on Social Media for Kids
“Odgers made this case in a high profile critique of “The Anxious Generation” in Nature: When associations over time are found, they suggest not that social-media use predicts or causes depression, but that young people who already have mental-health problems use such platforms more often or in different ways from their healthy peers.”— Does Social Media Use at One Time Predict Teen Depression at a Later Time?
“The first hypothesis, put forth by Haidt in “The Anxious Generation” (“TAG”) and his subsequent work, we’ll call forward predictability: earlier social media use predicts subsequent poor mental health.”— Does Social Media Use at One Time Predict Teen Depression at a Later Time?
“While all six judges involved (including NetChoice dissenter Judge Southwick) are GOP appointees, this is an area where right-of-center judges disagree among themselves.”— Free Speech, Social Media Firms, and the Fifth Circuit
“This is particularly likely in the case of Judge Don Willett, a member of the Missouri v. Biden panel who is one of the most libertarian-leaning judges in the entire federal judiciary.”— Free Speech, Social Media Firms, and the Fifth Circuit
“early in his career, Hoover was widely deemed to be anything but inept; he was judged a veritable wizard with the new arts of what was often called “publicity” or “propaganda.””— Spin Won’t Save Trump
“Walter Lippmann, the leading pundit of the day, wrote at the time, “Mr. Hoover’s ascent to the presidency was planned with great care and assisted throughout by a high-powered propaganda of the latest model.””— Spin Won’t Save Trump
“even Bernays threw up his hands when Hoover ignored the committee’s concrete recommendations... Bernays told the president that he wasn’t a magician.”— Spin Won’t Save Trump
“Lyndon B. Johnson... was toasted at the start of his presidency as telegenic and commanding. (Lippmann, again, led the way, saying, “The president has no reason now to worry about himself as a performer on TV,””— Spin Won’t Save Trump
“Jimmy Carter, believe it or not, was hailed as a “media genius” when he burst on the scene; a May 1977 cover of the New York Times Magazine showed a cartoon of Carter as a kind of all-powerful, behind-the-curtain wizard”— Spin Won’t Save Trump
“George W. Bush, too, was deemed a master of image-craft and a shoo-in for reelection when he emerged on an aircraft carrier deck in a flight suit, proclaiming “Mission Accomplished”... his fall came quickly: Had the election been held just a year later, he doubtless would have lost”— Spin Won’t Save Trump
“And in jumping to the conclusion that Facebook’s Instagram platform and other social-media services will be the ruin of the next generation, we — the news media in particular and society generally — may be tripping into a trap that has gotten us again and again: A moral panic in which we draw broad, alarming conclusions about the hidden dangers of novel forms of media, new technologies or new ideas spreading among the youth.”— We Don't Have Good Data About Social Media Harming Teenagers, But We Shouldn't Write This Off As A "Moral Panic," Either
“Asking people to introspect on the causes of their own mental health is hardly a reliable way of getting to the truth, given how much is going on in any one person’s life that might positively or negatively affect their wellbeing.”— We Don't Have Good Data About Social Media Harming Teenagers, But We Shouldn't Write This Off As A "Moral Panic," Either
“Thanks in part to the Wall Street Journal’s recent coverage of the “Facebook Files,” a treasure trove of internal documents leaked to the paper by Facebook whistleblower Frances Haugen, a lot of people think the answer is ‘very!’”— We Don't Have Good Data About Social Media Harming Teenagers, But We Shouldn't Write This Off As A "Moral Panic," Either
“Jonathan Haidt claiming that a ‘powerful’ study showed that adolescents who increased social media use had lower cognitive performance compared to adolescents who didn’t increase their social media use.”— Social Scientists Are Lazy
“Jason Nagata, MD @jasonmnagata 🗣️ New @UCSFChildrens study in @LancetRH_Americ! 📱🧠 Increasing social media use among early adolescents associated with lower cognitive performance 2 years later”— Social Scientists Are Lazy
“I just saw this post from Jonathan Haidt claiming that a ‘powerful’ study showed... Naturally, I opened up the paper, read it, and noticed that the model was not a causally informative one.”— Social Scientists Are Lazy
Organizations Involved

Meta Inc. conducted 31 internal studies between 2018 and 2024 that examined effects on adolescents, including some experiments that produced causal evidence of harm, yet the company did not publicly emphasize those findings. The materials only became known through whistleblowers and discovery in litigation. Meta continued to promote its platforms for broad adolescent use while maintaining that correlation did not prove causation. The pattern contributed to prolonged debate over product safety. [1]

Snapchat, operated by Snap, maintained ineffective age verification for years and tolerated a system that allowed widespread underage access, according to its own director of security engineering. The platform received roughly 10,000 sextortion reports from minors each month, a fraction of the actual volume, while executives acknowledged the verification process was useless against determined users. The company faced criticism for slow responses to child exploitation and drug sales on the service. Internal assessments had flagged the problems but fixes were not prioritized. [3][8]

TikTok leadership received internal reports linking compulsive use to losses in analytical skills, memory, empathy, anxiety, and interference with sleep and relationships, yet company directives emphasized preserving engagement metrics over addressing those issues. Insiders reported that leaders did not fully accept the scale of the problems. The platform continued to optimize for heavy adolescent use without implementing changes that would reduce core performance indicators. This approach sustained the assumption that the product remained reasonably safe. [3]

Tech companies operating major social media platforms, including Instagram, YouTube, and others, set a self-imposed minimum age of 13 with no required verification and spent resources opposing regulatory restrictions. They designed features such as infinite scroll and notifications to maximize engagement while providing parental controls that studies found to be poorly used and misaligned with family needs. These companies earned billions from child-directed advertising and resisted stronger age checks until faced with new laws. The collective stance helped embed the 13-and-up standard globally. [4][5][6][10]

▶ Supporting Quotes (29)
“MetasInternalResearch.org, a new website that catalogues 31 internal studies carried out by Meta Inc. The studies were leaked by whistleblowers or made public through litigation — despite Meta’s intentions to keep them hidden.”— Mountains of Evidence
“Since 2017, that argument has been made by nearly all researchers who are dismissive about the harms of social media.”— Mountains of Evidence
“we then outsource their social and neural development to Instagram, TikTok, and YouTube. ... platforms (which have shown repeatedly that they will not protect children unless forced to by law)”— Why Every Country Should Set 16 (or Higher) as the Minimum Age for Social Media Accounts
“We show that company insiders were aware of multiple widespread and serious harms, and that they were often acting under the orders of company leadership to maximize engagement regardless of the harm to children.”— A Year of Real Progress for Kids
“Snap executives have admitted that Snapchat’s age verification system 'Is effectively useless in stopping underage users from signing up to the Snapchat app.'”— A Year of Real Progress for Kids
“As Snap’s director of security engineering said regarding Android users who are selling drugs or child sexual abuse material on Snap: 'That’s fine it’s been broken for ten years we can tolerate tonight.'”— A Year of Real Progress for Kids
“In a leaked internal presentation 2021 from EA, owner of FIFA, it stated the following: 'Players will be actively messaged + incentivized to convert throughout the summer. FUT is the cornerstone and we are doing everything we can to drive players there.'”— A Year of Real Progress for Kids
“A study from Harvard found that social media companies made $11 billion from advertising aimed at children in 2022. Advertisers are willing to cough up this eleven-figure sum because social media platforms extract huge amounts of time and attention from kids.”— How Tech Companies Rig Parental Guilt
“The difficulties parents face with setting media and screentime boundaries was highlighted earlier this year in a study by the Family Online Safety Institute, which found that only around half of parents use parental control on tablets, with even fewer using parental controls on other devices.”— How Tech Companies Rig Parental Guilt
“with vocal groups on both sides, and tech giants spending a lot of money to influence the debate”— Strong Public Support To Restrict Social Media for Children in Germany
“some of the largest companies on earth can no longer form business relationships with young children or use their personal data to keep them hooked on feeds, likes, and alerts.”— Australia’s New Social Media Regulations Put Childhood First
“At present, the companies bear no responsibility for age verification, so no matter how hard parents try, if a 10-year-old child can get to a web browser, she can set up as many accounts as she wants simply by saying she is 13.”— Australia’s New Social Media Regulations Put Childhood First
“Meta’s AIs were specifically permitted to engage in “sensual conversations” with children, according to a leaked internal policy memo that was approved by Meta’s full leadership.”— The Devil’s Plan to Ruin the Next Generation
“It’s currently estimated that teens spend five hours per day, on average, just on social media platforms.”— The Devil’s Plan to Ruin the Next Generation
“Unredacted lawsuits from Snapchat reveal that the company receives roughly 10,000 reports of sextortion every month, a figure that their researchers say represents only a fraction of the abuse occurring on their platform.”— Growing up Online Nearly Killed Me
“The school laid the blame firmly at Roxy’s feet while urging us to “move on” as soon as possible. I now believe this was for their reputational benefit.”— Growing up Online Nearly Killed Me
“Until very recently, Sweden’s Public Health Institute had no screen-time guidelines.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“Not even the Swedish Agency for the Media — whose primary task is to protect minors from harmful media use and increase media literacy in the general population — had any advice for parents.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“In 2019, the government went a step further by mandating the use of digital tools in the national preschool curriculum.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“companies that had come to own much of childhood, and that were turning children’s attention into profits, should bear responsibility for the harms children were encountering on their service.”— The UK Is Doing the Hard Work of Protecting Children Online
“After the Children’s Codes came into force this past July, the positive effects were immediate, not least of which has been a strong indication that platforms have vastly reduced the frequency at which children are recommended pornography and self-harm content.”— The UK Is Doing the Hard Work of Protecting Children Online
“The engineers of social media sites, gambling games, or any other platform that makes money off your attention, specifically design their products using the scarcity loop. It is feature, not a bug.”— The Anxious Generation in the Classroom
“The companies complied. They closed down 4.7 million accounts that were held by 2.5 million Australian children between the ages of 8 and 15.”— Why the World Is Drawing a Line on Social Media for Kids
“Odgers made this case in a high profile critique of “The Anxious Generation” in Nature”— Does Social Media Use at One Time Predict Teen Depression at a Later Time?
“the same court (albeit with a different panel of judges) was badly wrong last year when, in NetChoice v. Paxton, it upheld a Texas law requiring many of those same firms to post material they disapprove of.”— Free Speech, Social Media Firms, and the Fifth Circuit
“For years we’ve watched social media serve as a gateway to radicalization and, far too often, real-life violence. Bringing these groups together is beyond irresponsible; it is essentially conducting a hate summit at the White House.”— SPLC statement on White House social media summit
“Unsealed court documents reveal that Meta knew for years that its social media platforms were harming children. The company hid this information from outsiders, including a congressional committee. The company’s response instead was to target vulnerable teens with advertising which could take advantage of their vulnerability.”— 30 Facts About Childhood Today that Will Terrify You
“New @UCSFChildrens study in @LancetRH_Americ!”— Social Scientists Are Lazy
“New @UCSFChildrens study in @LancetRH_Americ!”— Social Scientists Are Lazy
The Foundation

The assumption that social media is a reasonably safe consumer product for children and adolescents even when used heavily rested in part on the view that observed correlations between heavy use and higher rates of depression and anxiety did not prove causation. Supporters pointed to possible reverse causality, in which distressed teens might seek out social media more, or to third variables such as changes in parenting styles. This reasoning appeared credible to many researchers and persisted in academic debate and congressional testimony after 2017. Growing evidence from experiments, including some conducted internally by Meta, later showed that reducing use lowered depression, anxiety, and loneliness while quitting improved outcomes, yet the correlation-causation objection continued to be cited. [1]

Several studies reinforced the safety assumption by reporting only trivial associations between digital technology use and well-being. Hancock et al. (2022) reviewed 226 studies and concluded there was little overall link to depression, while Ferguson (2024) reached similar conclusions. These analyses combined all forms of digital technology, all well-being measures, boys and girls, and adults and adolescents. When later work narrowed the focus to heavy social media use among adolescent girls and specific outcomes such as depression and anxiety, effect sizes appeared substantially larger. The broader reviews remained influential for years. [1][13]

Puberty was long regarded as a period of intense brain plasticity during which repeated social media exposure could sculpt neural circuits in lasting ways. The assumption that heavy use remained reasonably safe implied that adolescents possessed sufficient self-regulation by early teens to manage these influences. Developmental research indicated that self-regulation abilities continue to improve into the mid-20s, with the most rapid changes occurring during puberty. This timeline challenged the idea that early adolescents could reliably navigate addictive design features without harm. [2]

Platforms maintained that their terms of service, which set a minimum age of 13 and required parental consent only for younger users in some jurisdictions, provided adequate protection. This standard originated in early internet policy and spread globally without mandatory verification. The belief that self-reported ages and parental rules would suffice seemed reasonable given the optimism of the early web era. Internal assessments at companies such as Snapchat and TikTok showed that age gating was ineffective and underage use was common, yet these findings did not immediately alter the public posture that the products were safe enough. [3][5][6]

▶ Supporting Quotes (33)
“The fact that heavy users of social media are more depressed than light users doesn’t prove that social media caused the depression. Perhaps depressed people are more lonely, so they rely on Instagram more for social contact? Or perhaps there’s some third variable (such as neglectful parenting) that causes both?”— Mountains of Evidence
“We take a magnifying glass to some widely cited studies that claim to show only trivial associations or effects between social media use and harm to adolescents (e.g., Hancock et al. (2022) and Ferguson (2024). We show that these studies actually reveal much larger associations when the most theoretically central relationships are examined — for example, when you focus the analysis on heavy social media use (rather than blending together all digital tech) linked specifically to depression or anxiety (rather than blending together all well-being outcomes) for adolescent girls (rather than blending in boys and adults).”— Mountains of Evidence
“Developmental psychologists see puberty as a “sensitive period” in which the brain is especially “plastic” or malleable based on incoming experience. The brain is changing over from the child form to the adult form, and those changes are guided by whatever a child does repeatedly. Neurons that fire together wire together, as brain researchers say.”— Why Every Country Should Set 16 (or Higher) as the Minimum Age for Social Media Accounts
“The ability to self-regulate improves steadily throughout adolescence, only reaching a plateau in the mid 20s.”— Why Every Country Should Set 16 (or Higher) as the Minimum Age for Social Media Accounts
““Compulsive usage correlates with a slew of negative mental health effects like loss of analytical skills, memory formation, contextual thinking, conversational depth, empathy, and increased anxiety,” in addition to “interfer[ing] with essential personal responsibilities like sufficient sleep, work/school responsibilities, and connecting with loved ones.””— A Year of Real Progress for Kids
“Snap executives have admitted that Snapchat’s age verification system 'Is effectively useless in stopping underage users from signing up to the Snapchat app.'”— A Year of Real Progress for Kids
“Another study asked parents what they thought about parental controls for gaming. Parents said that such controls “don’t always work as promised, offer little context about how settings affect gameplay, and force binary choices that don’t align with household rules or with children’s maturity levels.””— How Tech Companies Rig Parental Guilt
“Features like infinite scroll, autoplay, incessant notifications, FOMO, peer validation, and cheap dopamine hits are just a few of the ways tech companies keep kids engaged. These intentional design choices keep kids online much longer than is healthy — and far longer than many parents would prefer.”— How Tech Companies Rig Parental Guilt
“Most platforms stipulate an unenforced minimum age of 13 in their terms of use, and young people ages 13–16-years-old need their parents’ consent. However, usage data among children below the age of 13 show that these rules are effectively ignored in practice.”— Strong Public Support To Restrict Social Media for Children in Germany
“This reform finally corrects two major mistakes made in the early days of the internet: the United States (and then much of the world) set the age of “internet adulthood” to 13, and companies were given no responsibility to verify age at all.”— Australia’s New Social Media Regulations Put Childhood First
“As long as a child could type “13,” companies could treat them like adults.”— Australia’s New Social Media Regulations Put Childhood First
““I’d keep them busy. Always distracted.” “I’d watch their minds rot slowly, sweetly, silently. And the best part is, they’d never know it was me. They’d call it freedom.””— The Devil’s Plan to Ruin the Next Generation
“Growing up online, kids learn to live in ways that directly contradict the advice given to us by the world’s great spiritual traditions.”— The Devil’s Plan to Ruin the Next Generation
“When we were taught about “online safety” at school, it always felt completely unrelatable. Teachers didn’t get it, and the information felt so far from the reality of our experiences. The case studies seemed extreme, and honestly, I thought there was no way I would ever be the person stupid enough to end up in those situations.”— Growing up Online Nearly Killed Me
“So when Roxy retreated further, became ultra-secretive, and wouldn’t look me in the eye, I thought, “Here we go, Kevin the Teenager has moved in.””— Growing up Online Nearly Killed Me
“In her book The Danish Secret to Happy Kids, author Helen Russell argues that because Nordic countries’ social codex traditionally gave children lots of freedom to play outdoors (a positive), they misguidedly granted children the same wide-ranging freedom online.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“When the Swedish National Agency for Education analyzed the results, they concluded that the students with the highest digital media use for things other than learning, both at school and at home, performed the worst.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“children on the internet are not actually adults, even when they claim to be 13 (which is the internet’s current “age of adulthood.”)”— The UK Is Doing the Hard Work of Protecting Children Online
“Some might say, 'So what if kids spend a lot of time on social media? I spent a lot of time in front of the TV when I was a kid and I turned out fine.' Haidt shows there are harms specific to constant social media usage... Since adolescents now spend eight hours a day in the virtual world, their attention is given to those role models with virtual prestige and without real-world context.”— The Anxious Generation in the Classroom
“Michael Easter notes that this kind of addiction develops via the “scarcity loop”, which has three stages: Having the opportunity for reward (scrolling... Receiving intermittent rewards (one is not rewarded every time they scroll so the reward is unpredictable). Having the option to repeat the process... A rat will press that lever all day; they become addicted.”— The Anxious Generation in the Classroom
“There is no magical age when comparing how many likes your photos get, or scrolling an endless stream of short videos when you should be sleeping, becomes good for you. Like any addictive consumer product that routinely exposes users to graphic sex, extreme violence, and anonymous sexual predators, social media in its current form causes a variety of harms to people of all ages.”— Why the World Is Drawing a Line on Social Media for Kids
“Puukko and colleagues (2020) conducted a six-year longitudinal study of 2,891 Finnish adolescents, tracking “active social media use” and depressive symptoms. They concluded that “depressive symptoms predicted small increases in active social media use during both early and late adolescence, whereas no evidence of the reverse relationship was found.””— Does Social Media Use at One Time Predict Teen Depression at a Later Time?
“Hancock et al. (2022), a review and meta-analysis of 226 studies, including 24 that were longitudinal.”— Does Social Media Use at One Time Predict Teen Depression at a Later Time?
“Elsewhere, I have criticized arguments (adopted by the Fifth Circuit majority and others) to the effect that social media firms can be forced to platform views because they are "common carriers" (businesses required to serve all comers under the common law). These firms are not and never have been common carriers, and the standard rationales for common carrier status do not apply to them.”— Free Speech, Social Media Firms, and the Fifth Circuit
“the idea that a president’s popularity is mainly a result of his communication skills, a function of how well he performs in the news media. We tend to imagine that incompetent politicians succeed because they hoodwink the public through their facility with the dark arts of public relations”— Spin Won’t Save Trump
“For years we’ve watched social media serve as a gateway to radicalization and, far too often, real-life violence.”— SPLC statement on White House social media summit
“Instead of playing with toys, many youngsters now watch videos of other children playing with toys. Entire web platforms are devoted to watching other people play. This level of passivity has never been seen before in history.”— 30 Facts About Childhood Today that Will Terrify You
“Children are entering school with autism-like symptoms due to the use of devices, as well as their parents’ excessive screen time — especially during breastfeeding. This is “leading to a generation of toddlers suffering from ‘still face effect’, an emotionless expression.” From the same source: “Children are beginning school with low core strength, speech delays, poor bone density.””— 30 Facts About Childhood Today that Will Terrify You
“Comic books, television, rock music, rap music, disco, video games, Ebonics and political correctness are among the subjects that have generated mass panic in the past.”— We Don't Have Good Data About Social Media Harming Teenagers, But We Shouldn't Write This Off As A "Moral Panic," Either
“most of the kids in the research said they didn’t think Instagram was harming their mental health.”— We Don't Have Good Data About Social Media Harming Teenagers, But We Shouldn't Write This Off As A "Moral Panic," Either
“They used group-based trajectory modeling, where they classified 7,500 participants... into three latent social media use trajectories... They then regressed Year 2 cognitive scores on trajectory group dummies... Their estimand is the average adjusted difference in Year 2 cognition between trajectory groups—a between-person quantity that is conditional on observables.”— Social Scientists Are Lazy
“They can only identify a causal effect with their analysis if the covariate set captures all relevant confounders. Any unmeasured variable that correlates with both social media use and cognition—genetics, parenting quality, household cognitive stimulation, neighborhood and school quality, etc.— will bias the estimate.”— Social Scientists Are Lazy
“Consider the issue of measurement invariance... To compare groups or individuals across times, you have to establish that those measurements are comparable over time, and despite this possibility being routinely available to researchers, almost no one tests it”— Social Scientists Are Lazy
How It Spread

The assumption spread through academic circles and public testimony as many social scientists repeated the argument that correlation does not prove causation. This framing appeared in scholarly papers, media interviews, and congressional hearings after 2017. Meta executives echoed the same point in high-profile settings. The consistency of the response across researchers and industry created an impression of broad expert agreement. [1]

Peer pressure among children reinforced the norm, with adolescents telling parents that everyone else had accounts and access. This dynamic made it difficult for individual families to delay or restrict use. Platforms amplified the effect through features that rewarded frequent engagement and social comparison. The result was rapid normalization of heavy use among middle school students. [2]

Tech companies shaped the debate by designing products that maximized engagement from young users and by opposing regulatory efforts with lobbying expenditures. Marketing presented smartphones and social media as tools of freedom and connection. Cultural narratives in Sweden and elsewhere framed early adoption as forward-thinking, dismissing caution as outdated or alarmist. These messages reached parents through advertising, media coverage, and social channels. [4][5][9]

The 13-year-old minimum age became a de facto global standard after the United States adopted it, with platforms facing no verification requirements. Silicon Valley advocacy shuttled between capitals while maintaining that self-regulation and parental controls were sufficient. High-profile publications such as Nature and The Atlantic carried arguments that mental health problems preceded social media use, lending further credibility to the assumption. The combined effect delayed widespread policy changes until after 2024. [6][10][13]

▶ Supporting Quotes (30)
“Social scientists have been debating this question intensively since 2017. ... In the last few years, however, a flood of new research has altered the landscape of the debate”— Mountains of Evidence
“We found information on 31 studies related to the product safety question that Meta conducted between 2018 and 2024. ... The evidence was collected and hidden by Meta itself.”— Mountains of Evidence
“Parents everywhere have heard their children invoke the mantra “but everyone else has one! I’m being left out!” in their daily struggles over smartphones, tablets, social media, video games, and other screen-based activities. ... That’s a perfect example of what economists call a collective action trap”— Why Every Country Should Set 16 (or Higher) as the Minimum Age for Social Media Accounts
“one TikTok employee explained, '[w]hen we make changes, we make sure core metrics aren’t affected.' This is because '[l]eaders don’t buy into problems' with unhealthy and compulsive usage, and work to address it is 'not a priority for any other team.'”— A Year of Real Progress for Kids
“With regard to sextortion on the platform [Snap receives ~10,000 cases of sextortion each month], one employee had complained in a private channel: 'God I’m so pissed that were over-run by this sextortion shit right now. We’ve twiddled our thumbs and wrung our hands all f…ing year.'”— A Year of Real Progress for Kids
“At first, the family had a strict rule: no phones until age 16. But when Talita’s oldest started high school, the rule proved impossible to maintain — all of her daughter’s peers had smartphones, so she reluctantly agreed to let her have one as well.”— How Tech Companies Rig Parental Guilt
“tech giants spending a lot of money to influence the debate”— Strong Public Support To Restrict Social Media for Children in Germany
“the United States (and then much of the world) set the age of “internet adulthood” to 13”— Australia’s New Social Media Regulations Put Childhood First
“Parents want this. They know social media can harm their children, yet many feel trapped because everyone else’s kids are already online.”— Australia’s New Social Media Regulations Put Childhood First
“Chat’s responses were profound and unsettling: “I wouldn’t come with violence. I’d come with convenience.” “I’d keep them busy. Always distracted.””— The Devil’s Plan to Ruin the Next Generation
“Content becomes popular not because it conveys wisdom but because it comes tagged with popularity via likes, view counts, or the prestige of the person who shared it.”— The Devil’s Plan to Ruin the Next Generation
“Roxy got a phone when she was 13, and almost immediately battle lines were drawn. Just managing the hours was a challenge, let alone the content. The excuses were always just plausible enough: I need it for school, I need it to make a plan, I need it to sleep.”— Growing up Online Nearly Killed Me
“Sweden isn’t just the land of fika, flat-pack furniture, and the Nobel Prize — it’s also one of the most tech-forward countries on Earth. Spotify, Minecraft, Candy Crush, and the famous YouTuber PewDiePie, who has more than 110 million followers, all hail from here.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“Anyone who questioned the nation’s blind faith in digital childhood was treated like a moral panic peddler and cultural reactionary, not unlike those who once claimed that jazz music was the work of the devil.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“As Beeban shuttled around between London, Washington, and Silicon Valley, she advocated for the novel idea that children on the internet are not actually adults”— The UK Is Doing the Hard Work of Protecting Children Online
“Haidt’s advice is: don’t give smartphones to kids before the age of 14. I strongly agree. Every year I have one or two students whose parents either didn’t give them a phone or got them a flip phone. And I see a large difference between these students, and the ones who have smartphones.”— The Anxious Generation in the Classroom
“When The Anxious Generation was published in 2024, many legislators saw a need for action to protect children, but there was a general reluctance to get too far ahead of the public. Restricting something widely used—and thought to be widely loved—seemed politically dangerous. Furthermore, critics declared that a social media age limit of 16 was impossible to implement and was sure to ultimately harm children.”— Why the World Is Drawing a Line on Social Media for Kids
“As coverage of Australia’s law spread globally, it was met with an extraordinary amount of public support... These widespread expressions of disgust were further evidence that humanity now had common knowledge about the dangers of social media.”— Why the World Is Drawing a Line on Social Media for Kids
“This argument, which directly challenges Haidt’s argument that heavy social media use predicts future mental health problems, has since been echoed by several researchers and writers.”— Does Social Media Use at One Time Predict Teen Depression at a Later Time?
“In May 2024, Odgers provided a useful summary of her reverse predictability argument in The Atlantic in an essay titled “The Panic Over Smartphones Doesn’t Help Teens””— Does Social Media Use at One Time Predict Teen Depression at a Later Time?
“the Fifth Circuit upheld a Texas law requiring many of those same firms to post material they disapprove of.”— Free Speech, Social Media Firms, and the Fifth Circuit
“The New York Times Magazine hailed his “genius,” and National Geographic ran a spread about his heroics, adorned with dozens of photographs of Hoover tending to the men, women and children”— Spin Won’t Save Trump
“A pioneer in radio, Hoover broadcast his speeches over national networks... Hoover had his team produce an hourlong campaign film, “Master of Emergencies,””— Spin Won’t Save Trump
“Referring to such individuals and the groups they represent — many of whom have had their content removed, restricted or banned from social media platforms — as “digital leaders” only legitimizes the hateful rhetoric they spread online.”— SPLC statement on White House social media summit
“59% of children say they have seen a violent video online this year. They find these mostly on YouTube and TikTok. 85% of youngsters play video games — and many of them do so every day. But this is not an escape: 80% of teens say that online harassment over gaming is a problem.”— 30 Facts About Childhood Today that Will Terrify You
“Half of the children surveyed say that parents should be concerned about their screen time. They admit that would be worried if they were parents. But when parents try to limit access to social media accounts, youngsters simply do it behind their backs.”— 30 Facts About Childhood Today that Will Terrify You
“There is something very alluring about this argument: This new worry we have seems similar to those worries we had in the past, and those worries turned out to be silly, so we are probably being silly again. It is designed to make you feel smart, like you’re one of the ones who gets it — someone who isn’t going to get played.”— We Don't Have Good Data About Social Media Harming Teenagers, But We Shouldn't Write This Off As A "Moral Panic," Either
““Facebook Knows Instagram Is Toxic for Teen Girls, Company Documents Show” went the WSJ headline.”— We Don't Have Good Data About Social Media Harming Teenagers, But We Shouldn't Write This Off As A "Moral Panic," Either
“Jonathan Haidt @JonHaidt Powerful new longitudinal study finds that adolescents who increase their social media over a 2 year period show lower cognitive performance, compared to those who did not increase. Fom @jasonmnagata 's team, using ABCD data, and controlling for all the right stuff.”— Social Scientists Are Lazy
“they’re so lazy that they rarely ever do the required robustness and sensitivity analyses”— Social Scientists Are Lazy
Resulting Policies

The United States established a minimum age of 13 for social media accounts with no mandatory age verification, a policy that platforms adopted worldwide. This standard treated 13 as the threshold of digital adulthood and allowed children to create accounts by self-reporting their age. The approach assumed that parental consent and platform terms would provide reasonable safeguards even for heavy use. It remained in place for years despite internal evidence of widespread underage access. [6]

Australia enacted legislation in 2024 that barred social media access for users under 16, citing documented harms to youth. The law required platforms to close millions of accounts and took effect in December 2025 with high public support and relatively smooth compliance. Premier Peter Malinauskas had commissioned a report that informed the measure. The policy marked a clear departure from the earlier global norm. [1][6][12]

The United Kingdom moved from a 13-year-old threshold with no duty of care to the Age Appropriate Design Code in 2021 and the Online Safety Act in 2023. These measures required platforms to conduct risk assessments and mitigate harms to children. Ofcom later reported that after implementation in 2025, recommendations of pornography and self-harm content to children dropped sharply. Baroness Beeban Kidron played a central role in designing the framework. [10]

Sweden mandated digital tools in its national preschool curriculum in 2019, reflecting the belief that early screen exposure prepared children for an AI-driven future. By 2024 officials began reversing course, with the Minister of Schools calling the prior digitalization an unscientific experiment that had harmed learning. Nationwide school phone bans and a shift back to physical textbooks were announced for 2026. The change followed declining PISA scores and teacher reports of widespread distraction. [9]

▶ Supporting Quotes (14)
“They want to know if social media is a reasonably safe consumer product, or if they should keep their kids (or all kids) away from it until they reach a certain age (as Australia is doing).”— Mountains of Evidence
“no parent has full control over when their child opens social media accounts. If the child can get to the internet anywhere, including at school, she can open as many accounts as she likes as long as she’s old enough to say she’s 13.”— Why Every Country Should Set 16 (or Higher) as the Minimum Age for Social Media Accounts
“Currently, there is no legally defined age minimum for social media use in Germany, nor is there any regulation requiring platforms to verify users’ ages.”— Strong Public Support To Restrict Social Media for Children in Germany
“the United States (and then much of the world) set the age of “internet adulthood” to 13, and companies were given no responsibility to verify age at all.”— Australia’s New Social Media Regulations Put Childhood First
“Meta’s AIs were specifically permitted to engage in “sensual conversations” with children, according to a leaked internal policy memo that was approved by Meta’s full leadership.”— The Devil’s Plan to Ruin the Next Generation
“I was called in by the school and told that “luckily for me, they would not be contacting the police.” I was punished for breaking the school’s tech rules.”— Growing up Online Nearly Killed Me
“In 2019, the government went a step further by mandating the use of digital tools in the national preschool curriculum.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“Phones are now banned from classrooms unless specifically needed, and starting in 2026, a nationwide school phone ban will take effect for the full school day.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“Beeban was the architect of the UK’s landmark and world-leading Age Appropriate Design Code, which took effect in 2021.”— The UK Is Doing the Hard Work of Protecting Children Online
“Social media has been dominating kids’ attention for decades.”— Why the World Is Drawing a Line on Social Media for Kids
“Then we discuss the limitations of current longitudinal research and what these limitations mean for policymakers.”— Does Social Media Use at One Time Predict Teen Depression at a Later Time?
“Texas's law openly states that major social media firms may not refuse to post a vast range of material based on objections to its content.”— Free Speech, Social Media Firms, and the Fifth Circuit
“The Nation magazine mocked Hoover’s policy of “Relief by Publicity,” editorializing that efforts pitched at the press were doomed so long as Hoover failed to design and implement a systematic plan”— Spin Won’t Save Trump
“many of whom have had their content removed, restricted or banned from social media platforms”— SPLC statement on White House social media summit
Harm Caused

Adolescent mental health declined sharply in many Western countries after the early 2010s as smartphone and social media adoption accelerated. Rates of depression, anxiety, self-harm, and suicide attempts rose across the United States and similar nations, shifting population-level trends. Meta's internal Project Mercury experiment found that deactivating Facebook and Instagram for a month reduced depression, anxiety, loneliness, and social comparison. The scale of the change affected millions of adolescents. [1]

Platforms recorded substantial exposure to harmful content. An Instagram internal study found that among 13- to 15-year-olds, 11 percent reported weekly bullying, 13 percent had been sexually advanced upon, 19 percent had seen explicit content, and 21 percent felt worse about themselves. Snapchat received approximately 10,000 sextortion reports from minors each month. TikTok's own reports linked compulsive use to reduced analytical skills, memory formation, empathy, and increased anxiety along with disrupted sleep and relationships. [2][3]

Parents experienced widespread guilt and stress. Roughly half of U.S. parents reported feeling guilty about their children's media use, with majorities citing inconsistency, excessive time, and their own screen habits. Surveys in Germany showed 77 percent of adults and 61 percent of adolescents perceived negative effects on mental health, while similar majorities noted harms to attention, school performance, and physical health. A plurality of German adults said they would prefer a world without social media. [4][5]

Individual cases illustrated the human cost. Roxy Longworth, a British teenager, endured sextortion that led to self-harm, eating disorders, sleep loss, auditory hallucinations, psychosis, and multiple suicide attempts. Another 14-year-old girl died by suicide days earlier in similar circumstances. Swedish 15-year-olds recorded their lowest PISA math and reading scores in a decade in 2022, with high screen use associated with low performance and teacher reports of distraction affecting nearly 90 percent of classrooms. [8][9]

▶ Supporting Quotes (44)
“First, there is now a lot more work revealing a wide range of direct harms caused by social media that extends beyond mental health (e.g., cyberbullying, sextortion, and exposure to algorithmically amplified content promoting suicide, eating-disorders, and self-harm). These direct harms are not correlations; they are harms reported by millions of young people each year.”— Mountains of Evidence
“In pilot tests of the study, researchers found that “people who stopped using Facebook for a week reported lower feelings of depression, anxiety, loneliness, and social comparison.” One Meta researcher also stated that “the Nielsen study does show causal impact on social comparison.””— Mountains of Evidence
“Was the spread of social media in the early 2010s (as smartphones were widely adopted) a major contributing cause of the big increases in adolescent depression, anxiety, and self-harm that began in the U.S. and many other Western countries soon afterward?”— Mountains of Evidence
“The average adolescent in the U.S. now spends around five hours a day using social media. ... The results have been catastrophic for their mental health, social relationships, education, and ability to focus for more than a few minutes.”— Why Every Country Should Set 16 (or Higher) as the Minimum Age for Social Media Accounts
“One internal Instagram study found that 11% of 13-15 year olds reported being a target of bullying, 13% reported receiving an unwanted sexual advance, 19% reported seeing unwanted sexually explicit content, and 21% reported seeing posts that made them feel worse about themselves every seven days.”— Why Every Country Should Set 16 (or Higher) as the Minimum Age for Social Media Accounts
“In a recent Pew poll, 45% of teens reported that they themselves felt they used social media too much with many suggesting that it affects their sleep and their grades.”— Why Every Country Should Set 16 (or Higher) as the Minimum Age for Social Media Accounts
“With regard to sextortion on the platform [Snap receives ~10,000 cases of sextortion each month]”— A Year of Real Progress for Kids
““Compulsive usage correlates with a slew of negative mental health effects like loss of analytical skills, memory formation, contextual thinking, conversational depth, empathy, and increased anxiety,” in addition to “interfer[ing] with essential personal responsibilities like sufficient sleep, work/school responsibilities, and connecting with loved ones.””— A Year of Real Progress for Kids
“Coyne’s data showed that many parents feel guilty about being inconsistent in their parenting or disciplining around media (55%); the amount of time their children spend on media (46%); and putting their own needs regarding media above their children (67%).”— How Tech Companies Rig Parental Guilt
“Within weeks, she noticed her daughter’s grades slipping and wondered if she had made a mistake. ... Talita says she feels the most guilt about her five-year-old, who uses far more media than her older children did at the same age.”— How Tech Companies Rig Parental Guilt
“Guilt increased as mother’s age decreased (an effect size of -0.10), meaning that younger mothers experienced more guilt... A recent Harris poll found that clear majorities of parents wish that many social media platforms, including TikTok, X, Instagram, and Facebook were never invented.”— How Tech Companies Rig Parental Guilt
“90% of adults in Germany and 96% of adolescents report using social media every day... Seventy-eight percent of adolescents use social media for an hour or more on weekdays, and 55% of adolescents spend more than three hours per weekend day on social media.”— Strong Public Support To Restrict Social Media for Children in Germany
“77% of adults and 61% of adolescents believe that social media has a negative impact on mental health, and 73% and 66%, respectively, believe it has a negative impact on physical health.”— Strong Public Support To Restrict Social Media for Children in Germany
“Respondents also expect negative effects on attention and school performance: 72% of adults and 59% of adolescents perceive negative effects on youths’ attention, and 69% and 54%, respectively, see negative effects on school performance.”— Strong Public Support To Restrict Social Media for Children in Germany
“a plurality of 47% of adults would rather live in a world without social media, while 40% would prefer to live in a world with social media.”— Strong Public Support To Restrict Social Media for Children in Germany
“the industrial scale harms caused by social media companies.”— Australia’s New Social Media Regulations Put Childhood First
“It will reduce the social pressure on kids, give parents back their authority, and help restore a healthier childhood.”— Australia’s New Social Media Regulations Put Childhood First
“You can see a sudden change in the spiritual health of young Americans in a long-running national survey of high school seniors who were asked whether “life often feels meaningless.” The figure below shows the percent who answered that they “agree” or “strongly agree.” The numbers were low and even declining a bit back when Gen X and millennials were in high school. But as soon as Gen Z entered the dataset, around 2013, meaninglessness surged.”— The Devil’s Plan to Ruin the Next Generation
“American high school seniors suddenly started reporting a lot more “difficulty thinking or concentrating.””— The Devil’s Plan to Ruin the Next Generation
“People will accumulate “connections” while feeling lonelier than ever. Superficial bonds are easier to monetize and manipulate than the deep ties of family, friendship, and community.”— The Devil’s Plan to Ruin the Next Generation
“I started cutting, making myself sick after meals, and stopped sleeping. The anxious voice in my head telling me I was a disgusting slut got louder and more controlling until I was literally hearing voices everywhere”— Growing up Online Nearly Killed Me
“a week earlier he had been called to the house of another 14-year-old girl. Almost exactly the same experience — older boys, photos, blackmail. But they couldn’t revive the poor child.”— Growing up Online Nearly Killed Me
“In the 2022 international PISA assessment, Swedish 15-year-olds recorded their lowest scores in math and reading in a decade, with more than a quarter of the students falling into the low-performing category in math.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“Teachers saw the same trend from the front lines. Nearly 9 in 10 said that smartphones were harming students’ learning, stamina and attention spans.”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“Just like in the Anglosphere, screens, smartphones and social media reshaped adolescence in the Nordic countries starting around 2012, and a decline in teen mental health quickly followed”— Sweden Went All in on Screens in Childhood. Now It’s Pulling the Plug.
“By the age of five, 20 percent of UK children are using social media apps without parental supervision. By 13, half of children in the UK have seen pornography online. Among 13- to 15-year-olds, one in eight report receiving unwanted sexual advances on Instagram in the past week.”— The UK Is Doing the Hard Work of Protecting Children Online
“Nearly two-thirds of British 16- to 18-year-olds have tried to cut back on their smartphone use. A clear majority of young people in the UK aged 16 to 24 (62%) say social media “does more harm than good,” and more than half of Gen Z respondents (55%) believe life would be better if social media were banned for under-16s.”— The UK Is Doing the Hard Work of Protecting Children Online
“since 2010, reported anxiety in 18 to 25-year-olds has increased by 139%, but has decreased by 8% in those aged 50+. Since 2010, emergency room visits for self-harm by 10 to 14-year-olds have increased by 188% among girls and 48% among boys. The suicide rate has increased by 91% for boys aged 10 to 14, and by 167% for girls of the same age.”— The Anxious Generation in the Classroom
“in 2015, one in four teens said they were online “almost constantly”. By 2022, this number had almost doubled to 46%. The Department of Homeland Security reports that in 2021 teenagers were on social media for an average of eight hours a day... Sufferers exhibit classic withdrawal symptoms when they don’t have access to the internet – such as irritability, anxiety, insomnia and dysphoria... The study cited above used MRI data to show that internet addicts experience developmental changes in cognitive control, reward valuation and motor coordination.”— The Anxious Generation in the Classroom
“Haidt points to many correlational studies showing that a teenager’s amount of social media usage is negatively related to the quality and amount of sleep they get. Haidt’s graphs show that the percentage of teens who get less than seven hours of sleep has increased from around 32% in 1991 to almost 50% in 2019 among girls... Neuroscience has shown that when someone is frequently distracted by switching between multiple tasks, they become less likely to enter a state of flow... less able to understand cause and effect relationships, and will feel generally lost.”— The Anxious Generation in the Classroom
“How the Great Rewiring of Childhood Is Causing an Epidemic of Mental Illness.”— Why the World Is Drawing a Line on Social Media for Kids
“Between 2010 and 2019, internalizing disorders such as anxiety, depression, and anorexia became more prevalent compared to other mental illnesses.”— Does Social Media Use at One Time Predict Teen Depression at a Later Time?
“in the face of the persistent bad economic news, Hoover’s exertions in the realm of public relations did little to restore his popularity... Come 1932, he lost in a landslide to Roosevelt”— Spin Won’t Save Trump
“LBJ’s continued efforts to win over the news media did little to make up for a disastrous policy of escalation in the Vietnam War... Jimmy Carter... was hailed as a “media genius”... until... stagflation... George W. Bush, too, was deemed a master of image-craft... only to be haunted by that very image”— Spin Won’t Save Trump
“social media serve as a gateway to radicalization and, far too often, real-life violence.”— SPLC statement on White House social media summit
“Rates of obesity among children have skyrocketed in recent years. There are now more than 250 million obese youngsters, and that number will continue to grow. Lack of physical activity is so extreme that teachers report children arriving at school “without the strength in their fingers to hold a pencil or even a knife and fork.” From the same source: “Some are unable to use the toilet by themselves, hang their coat on a peg or even recognize their own name.””— 30 Facts About Childhood Today that Will Terrify You
“Mental health problems among children are skyrocketing. As early as age six, 16% of children have mental health issues that demand clinical care. An increasing number of teens now use social media for more than seven hours per day.”— 30 Facts About Childhood Today that Will Terrify You
“Test scores are plummeting. Reading skills among US students is now at the lowest levels ever measured. One third can’t even read at a basic level. “They can’t write a sentence,” laments one frustrated teacher. “They don’t know what state they live in. They don’t know what region of the country they’re in. They have no background knowledge. Most of them don’t know who the president is.” Teachers report that many students lack even the most basic skills. They don’t know multiplication tables. They can’t tell time from a clock. They need a calculator to solve even simple arithmetic — problems that could be answered just by counting on their fingers.”— 30 Facts About Childhood Today that Will Terrify You
“The average child now plays outside for only 4–7 minutes per day. Even inmates in top security prison get more outdoor time than this. The time youngsters spend with friends has fallen in half — and it only took ten years for that to happen. Most youngsters enter adult life without ever having gone on a date.”— 30 Facts About Childhood Today that Will Terrify You
“Roughly half of teens (48%) say social media sites have a mostly negative effect on people their age, up from 32% in 2022”— Social Media and Teens' Mental Health: What Teens and Their Parents Say
“Teen girls are more likely than boys to say social media hurt their mental health (25% vs. 14%)”— Social Media and Teens' Mental Health: What Teens and Their Parents Say
“Cyberbullying has been directly linked to self-harm behaviors among adolescents, and victims of cyberbullying are at a significantly higher risk of self-harm and suicidal ideation”— Effects of Social Media Use on Youth and Adolescent Mental Health: A Scoping Review
“Social media does not make people less intelligent and anyone telling you it does is lying.”— Social Scientists Are Lazy
“And how long did it take me to find that their results didn’t hold up? Minutes. It was trivially easy to specify and run these models”— Social Scientists Are Lazy
Downfall

Jon Haidt's 2024 book The Anxious Generation compiled post-2010 trend data, longitudinal studies, brain imaging evidence, and classroom observations that questioned the safety of heavy adolescent use. His analysis gained attention among parents and educators and contributed to shifting the public conversation. The work highlighted puberty as a period of particular vulnerability and called for higher minimum ages. It helped move previously private doubts into more open debate. [11]

Australia's 2025 implementation of its under-16 ban closed 4.7 million accounts with platform cooperation and overwhelming public support. The smooth rollout demonstrated that restrictions could be enforced and proved popular. International observers noted the outcome and began discussing coordinated action. The event turned scattered concerns into more visible policy momentum. [12]

Longitudinal studies published after earlier skeptical reviews provided evidence that earlier social media use predicted later depression in some samples, challenging the reverse predictability hypothesis. Three high-quality studies offered forward-looking data that complicated the earlier narrative. At the same time, other analyses using family fixed effects and negative controls found that apparent associations diminished or disappeared. The conflicting results sustained academic disagreement. [13][24]

Legal and regulatory developments added pressure. The Fifth Circuit upheld aspects of Texas's common carrier law for social media, while other courts struck down similar measures on different grounds. Ofcom in the United Kingdom confirmed measurable reductions in harmful content recommendations after the Online Safety Act took effect. Internal industry documents continued to emerge through litigation, keeping the debate active. Critics of strong causal claims argued that methodological limitations still prevented firm conclusions, while a growing number of researchers and policymakers called for greater caution. [15][10][23]

▶ Supporting Quotes (9)
“Haidt provides copious evidence that the overall mental health of Gen Z has been declining relative to previous generations. Here are some numbers: since 2010... The main cause of declining mental health, Haidt argues, is social media addiction... The study cited above used MRI data to show that internet addicts experience developmental changes...”— The Anxious Generation in the Classroom
“Phase one of Australia’s rollout went smoothly. The companies complied. They closed down 4.7 million accounts that were held by 2.5 million Australian children between the ages of 8 and 15, and few adults were incorrectly shut out of their accounts. The sky did not fall... As coverage of Australia’s law spread globally, it was met with an extraordinary amount of public support—from parents, journalists, and politicians on the left, the right, and the center.”— Why the World Is Drawing a Line on Social Media for Kids
“Below we review the evidence Odgers puts forth in favor of the Reverse viewpoint, and we introduce three high-quality studies that provide evidence for the Forward hypothesis.”— Does Social Media Use at One Time Predict Teen Depression at a Later Time?
“one that looks more like Judge Leslie Southwick's dissent in NetChoice, or the Eleventh Circuit's ruling striking down a similar Florida law”— Free Speech, Social Media Firms, and the Fifth Circuit
“the effects of their actions make themselves felt on the general public, who generally can tell when a policy isn’t working. Hoover discovered this”— Spin Won’t Save Trump
“Online crimes against children have increased dramatically. Crimes reported to the National Center for Missing & Exploited Children doubled over a period of just 12 months. School shootings have quadrupled in the last fifteen years.”— 30 Facts About Childhood Today that Will Terrify You
“I’m always going to side with those who stand up against moral panics, but I don’t think this comparison really holds.”— We Don't Have Good Data About Social Media Harming Teenagers, But We Shouldn't Write This Off As A "Moral Panic," Either
“I extended their results with a within-family analysis and a within-person analysis which knocked out their results and showed that they were not robust.”— Social Scientists Are Lazy
“I also showed that the difference between my results and their results was not due to power, because I had more than enough power to detect smaller effects than theirs.”— Social Scientists Are Lazy
Sources
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