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“Erudite, engaging, combative, crusading.” ―Tracy Dennis-Tiwary, New York Times Book Review

“Words that chill the parental heart… thanks to Mr. Haidt, we can glimpse the true horror of what happened not only in the U.S. but also elsewhere in the English-speaking world… lucid, memorable… galvanizing.” ―Meghan Cox Gurdon, Wall Street Journal

“I found myself nodding along in agreement … benefits from… years of research on how smartphones and social media dice the nerves and tamp the spirits of young people … not just reasonable but irrefutably necessary.” ―Jessica Winter, New Yorker

“Boundlessly wise… important and engrossing.” ―Frank Bruni, New York Times Opinion

“All the suggestions sound sensible. Some even sound fun . . . Deals seriously with counter-arguments and gaps in the evidence.” ―The Economist

“Can be quite wonderful… beautifully grounds his critique in Buddhist, Taoist and Christian thought traditions… His common-sense recommendations for actions...are excellent.” ―Judith Warner, The Washington Post

"[An] important new book...The shift in kids’ energy and attention from the physical world to the virtual one, Haidt shows, has been catastrophic, especially for girls." ―Michelle Goldberg, The New York Times

“Informative and compelling…Haidt wants children to spend more time appreciating nature, playing with friends, riding and falling off their bikes, and doing age-appropriate chores.”―Glenn C. Altschuler, Psychology Today

"An urgent and essential read, and it ought to become a foundational text for the growing movement to keep smartphones out of schools, and young children off social media" ―Sophie McBain, The Guardian (UK)

“Compelling, readable―and incredibly chilling . . . remarkably persuasive.” ―Lucy Denyer, Telegraph (UK)

"A persuasive and rousing argument"―Anna Davis, Evening Standard (UK)

“If this important book rings enough alarms (wait, or is that just my phone pinging?) to make politicians impose a genuine social media ban on children, I believe most parents would be happy and most teenagers happier.” ―Helen Rumbelow, The Times (UK, Book of the Week)

"Haidt sets out inarguable evidence that smartphones are fuelling an anxiety epidemic among young people―and big tech must do more to reverse it…an extremely important and compelling read that is recommended not only to parents but to anyone who has felt increasingly pressurised by technology…I can’t recommend this book highly enough; everyone should read it. It is a game-changer for society." ―Stella O'Malley, Irish Independent

“Jonathan Haidt is a modern-day prophet, disguised as a psychologist. In this book, he’s back to warn us of the dangers of a phone-based childhood. He points the way forward to a brighter, stronger future for us all.” ―Susan Cain, #1 New York Times bestselling author of Bittersweet and Quiet

“An urgent and provocative read on why so many kids are not okay―and how to course correct. Jonathan Haidt makes a powerful case that the shift from play-based to phone-based childhoods is wreaking havoc on mental health and social development. Even if you’re not ready to ban smartphones until high school, this book will challenge you to rethink how we nurture the potential in our kids and prepare them for the world.” ―Adam Grant, #1 New York Times bestselling author of Hidden Potential and Think Again, and host of the TED podcast Re:Thinking

“This is a crucial read for parents of children of elementary school age and beyond, who face the rapidly changing landscape of childhood. Haidt lays out problems but also solutions for making a better digital life with kids.” ―Emily Oster, New York Times bestselling author of Expecting Better

“Every single parent needs to stop what they are doing and read this book immediately. Jonathan Haidt is the most important psychologist in the world today, and this is the most important book on the topic that’s reshaping your child’s life right now.” ―Johann Hari, author of Stolen Focus

“This book poses a challenge that will determine the shape of the rest of the century. Jonathan Haidt shows us how we’ve arrived at this point of crisis with technology and the next generation. This book does not merely stand athwart the iPhone yelling ‘Stop!’ Haidt provides research-tested yet practical counsel for parents, communities, houses of worship, and governments about how things could be different. I plan to give this book to as many people as I can, while praying that we all have the wisdom to ponder and then to act.” ―Russell Moore, editor in chief of Christianity Today

Part 1

A Tidal Wave

Chapter 1

THE SURGE OF SUFFERING

When I talk with parents of adolescents, the conversation often turns to smartphones, social media, and video games. The stories parents tell me tend to fall into a few common patterns. One is the “constant conflict” story: Parents try to lay down rules and enforce limits, but there are just so many devices, so many arguments about why a rule needs to be relaxed, and so many ways around the rules, that family life has come to be dominated by disagreements about technology. Maintaining family rituals and basic human connections can feel like resisting an ever-risingtide, one that engulfs parents as well as children.

For most of the parents I talk to, their stories don’t center on any diagnosed mental illness. Instead, there is an underlying worry that something unnatural is going on, and that their children are missing something―really, almost everything―as their online hours accumulate. But sometimes the stories parents tell me are darker. Parents feel that they have lost their child. A mother I spoke with in Boston told me about the efforts she and her husband had made to keep their fourteen-year-old daughter, Emily, away from Instagram. They could see the damaging effects it was having on her. To curb her access, they tried various programs to monitor and limit the apps on her phone. However, family life devolved into a constant struggle in which Emily eventually found ways around the restrictions. In one distressing episode, she got into her mother’s phone, disabled the monitoring software, and threatened to kill herself if her parents reinstalled it. Her mother told me:

It feels like the only way to remove social media and the smartphone from her life is to move to a deserted island. She attended summer camp for six weeks each summer where no phones were permitted―no electronics at all. Whenever we picked her up from camp she was her normal self. But as soon as she started using her phone again it was back to the same agitation and glumness. Last year I took her phone away for two months and gave her a flip phone and she returned to her normal self.

When I hear such stories about boys, they usually involve video games (and sometimes pornography) rather than social media, particularly when a boy makes the transition from being a casual gamer to a heavy gamer. I met a carpenter who told me about his 14 year-old son, James, who has mild autism. James had been making good progress in school before COVID arrived, and also in the martial art of judo. But once schools were shut down, when James was eleven, his parents bought him a PlayStation, because they had to find something for him to do at home.

At first it improved James’s life―he really enjoyed the games and social connections. But as he started playing Fortnite for lengthening periods of time, his behavior began to change. “That’s when all the depression, anger, and laziness came out. That’s when he started snapping at us,” the father told me. To address James’s sudden change in behavior, he and his wife took all of his electronics away. When they did this, James showed withdrawal symptoms, including irritability and aggressiveness, and he refused to come out of his room. Although the intensity of his symptoms lessened after a few days, his parents still felt trapped: “We tried to limit his use, but he doesn’t have any friends, other than those he communicates with online, so how much can we cut him off?”

No matter the pattern or severity of their story, what is common among parents is the feeling that they are trapped and powerless. Most parents don’t want their children to have a phone-based childhood, but somehow the world has reconfigured itself so that any parent who resists is condemning their children to social isolation.

In the rest of this chapter, I’m going to show you evidence that something big is happening, something changed in the lives of young people in the early 2010s that made their mental health plunge. But before we immerse ourselves in the data, I wanted to share with you the voices of parents who feel that their children were in some sense swept away, and who are now struggling to get them back.

THE INSTANT #1 NEW YORK TIMES BESTSELLER * New York Times Book Review Editors' Choice

From New York Times bestselling coauthor of The Coddling of the American Mind, an essential investigation into the collapse of youth mental health―and a plan for a healthier, freer childhood.

“Erudite, engaging, combative, crusading.” ―New York Times Book Review

“Words that chill the parental heart… thanks to Mr. Haidt, we can glimpse the true horror of what happened not only in the U.S. but also elsewhere in the English-speaking world… lucid, memorable… galvanizing.” ―Wall Street Journal

"[An] important new book...The shift in kids’ energy and attention from the physical world to the virtual one, Haidt shows, has been catastrophic, especially for girls." ―Michelle Goldberg, The New York Times

After more than a decade of stability or improvement, the mental health of adolescents plunged in the early 2010s. Rates of depression, anxiety, self-harm, and suicide rose sharply, more than doubling on many measures. Why?

In The Anxious Generation, social psychologist Jonathan Haidt lays out the facts about the epidemic of teen mental illness that hit many countries at the same time. He then investigates the nature of childhood, including why children need play and independent exploration to mature into competent, thriving adults. Haidt shows how the “play-based childhood” began to decline in the 1980s, and how it was finally wiped out by the arrival of the “phone-based childhood” in the early 2010s. He presents more than a dozen mechanisms by which this “great rewiring of childhood” has interfered with children’s social and neurological development, covering everything from sleep deprivation to attention fragmentation, addiction, loneliness, social contagion, social comparison, and perfectionism. He explains why social media damages girls more than boys and why boys have been withdrawing from the real world into the virtual world, with disastrous consequences for themselves, their families, and their societies.

Most important, Haidt issues a clear call to action. He diagnoses the “collective action problems” that trap us, and then proposes four simple rules that might set us free. He describes steps that parents, teachers, schools, tech companies, and governments can take to end the epidemic of mental illness and restore a more humane childhood.

Haidt has spent his career speaking truth backed by data in the most difficult landscapes―communities polarized by politics and religion, campuses battling culture wars, and now the public health emergency faced by Gen Z. We cannot afford to ignore his findings about protecting our children―and ourselves―from the psychological damage of a phone-based life.