36 percent of teen boys reported seeing videos Debby Herbenick, Elizabeth Bartelt, Tsung-Chieh (Jane) Fu, and Bryant Paul, "Feeling Scared During Sex: Findings from a U. S. Probability Sample of Women and Men Ages 14 to 60," Journal of Sex and Marital Therapy, April 2019.

53 percent of boys and 39 percent of girls thought pornography Elena Martellozzo, Andy Monaghan, Joanna R. Adler, Julia Davidson, Rodolfo Leyva, and Miranda A. H. Horvath, "A Quantitative and Qualitative Examination of the Impact of Online Pornography on the Values, Attitudes, Beliefs and Behaviours of Children and Young People," Commissioned by the Children's Commissioner for England, June 2016.

The porn-addicted brain Todd Love, Christian Laier, Matthias Brand, Linda Hatch, and Raju Hejela, "Neuroscience of Internet Pornography Addiction: A Review and Update," Behavioural Sciences, September 18, 2015.

4. Зона стресса

85 percent of both boomers and Gen Xers Jean Twenge, iGen: Why Today's Super-Connected Kids Are Growing Up Less Rebellious, More Tolerant, Less Happy — and Completely Unpreparedfor Adulthood — and What That Means for the Rest of Us, Atria Books, 2018.

52 percent of twelfth graders Ibid.

39 percent said they often felt lonely in 2017 Ibid.

Depression in teen girls increased by 50 percent Ibid.

Suicidal behaviours in girls have increased by 70 percent Ibid.

Over the last ten years, 62 percent more girls Ibid.

For girls in the ten-to-fourteen age group Ibid.

The proportion of incoming first-year students who reported feeling "overwhelmed" Ibid.

People who spend most of their time sitting Richard Patterson, Eoin McNamara, Marko Tainio, Thiago Herick de Sa, Andrea D. Smith, Stephen J. Sharp, Phil Edwards, James Woodcock, Soren Brage, and Katrien Wijndaele, "Sedentary Behaviour and Risk of All-Cause, Cardiovascular and Cancer Mortality, and Incident Type 2 Diabetes: A Systematic Review and Dose Response Meta-Analysis," European Journal of Epidemiology, March 28, 2018.

5. Подключенные к здоровью

72 percent of teenagers "Common Sense Report Finds Tech Use Is Cause of Conflict, Concern, Controversy," Common Sense Media, May 3, 2016.

The mere presence of a smartphone Adrian Ward, Kristen Duke, Ayelet Gneez, and Maarten Bos, "The Mere Presence of One's Own Smartphone Reduces Available Cognitive Capacity," Journal of the Association for Consumer Research, April 2017.

90 percent of undergraduates report feeling "phantom vibrations" Michelle Drouin, Daren H. Kaiser, and Daniel A. Miller, "Phantom Vibrations Among Undergraduates: Prevalence and Associated Psychological Characteristics," Computers in Human Behavior, July 2012.

The average human attention span shrank "Microsoft Attention Spans Online Survey," Microsoft Canada, Spring 2015.

12 percent uptick in child injuries Ben Worthen, "The Perils of Texting: Are Too Many Parents Distracted by Mobile Devices When They Should Be Watching Their Kids?" The Wall Street Journal, September 29, 2012.

Mothers who used their devices during the meal Jenny Radesky, Alison Miller, Katherine Rosenblum, Danielle Appugliese, Nico Kaciroti, and Julie Lumeng, "Maternal Mobile Device Use During a Structured Parent-Child Interaction Task," Academic Pediatrics, March 2015.

Perfectionism among American, British, and Canadian university students Thomas Curran and Andrew P. Hill, "Perfectionism Is Increasing Over Time: A Meta-Analysis of Birth Cohort Differences from 1989 to 2016," Psychological Bulletin, December 28, 2017.

Mindfulness… improves cognitive performance D. B. Bellinger, M. S. DeCaro, and P. A. Ralston, "Mindfulness, Anxiety, and High-Stakes Mathematics Performance in the Laboratory and Classroom," Consciousness and Cognition, December 2015.

An eight-week training in mindfulness improved concentration John T. Mitchell, Lidia Zylowska, and Scott H. Kollins, "Mindfulness Meditation Training for Attention-Deficit/Hyperactivity Disorder in Adulthood: Current Empirical Support, Treatment Overview, and Future Directions," Cognitive Behavior Practices, May 2015.

Meditation improved the behaviour and self-esteem Linda Harrison, Ramesh Manocha, and Katja Rubia, "Yoga Meditation as a Family Treatment Programme for Children with Attention Deficit-Hyperactivity Disorder," Clinical Child Psychology and Psychiatry, October 1, 2004.

Eighty-three percent of kids from low-income families Chia-Liang Dai, Laura A. Nabors, Rebecca A. Vidourek, Keith A. King, and Ching-Chen Chen, "Evaluation of an Afterschool Yoga Program for Children," InternationalJournal of Yoga, July 2015.

University students who briefly meditated Yi-Yuan Tang, Yinghua Ma, Junhong Wang, Yaxin Fan, Shigang Feng, Qilin Lu, Qingbao Yu, Danni Sui, Mary Rothbart, Ming Fan, and Michael Posner, "Short-Term Meditation Training Improves Attention and Self-Regulation," Proceedings of the National Academy of Sciences of the United States of America fPNAS), October 23, 2007.

Thirty times more likely to laugh Robert Provine, "Far from Mere Reactions to Jokes, Hoots and Hollers Are Serious Business: They're Innate — and Important — Social Tools," Psychology Today, November 1, 2000.

Those who work out Gretchen Reynolds, "Even a Little Exercise Might Make Us Happier," The New York Times, May 2, 2018.

Active people have a much lower risk Felipe B. Schuch, Davy Vancampfort, Joseph Firth, Simon Rosenbaum, Philip B. Ward, Edson S. Silva, and Mats Hallgren, "Physical Activity and Incident Depression: A Meta-Analysis of Prospective Cohort Studies," The American Journal of Psychiatry, April 25, 2018.

Gratitude can positively affect our moods and general well-being Summer Allen, "The Science of Gratitude: A White Paper," prepared for the John Templeton Foundation by the Greater Good Science Center at UC Berkeley, May 2018.

Expressing gratitude — even if you're faking it Robert Emmons and Michael McCullough, "Counting Blessings Versus Burdens: An Experimental Investigation of Gratitude and Subjective Well-Being in Daily Life," Journal of Personality and Social Psychology, 2003.

6. Подключенные к общению

A study of rats showed that females injected with oxytocin Ksenia Meyza and Ewelina Knapska, "Maternal Behavior: Why Mother Rats Protect Their Children," eLife, June 13, 2017.

A game of virtual catch Kirsten Weir, "The Pain of Social Rejection," Monitor on Psychology, April 2012.

Roughly one-third were "actively psychotic and/or acutely suicidal" Stuart Grassian, "The Psychiatric Effects of Solitary Confinement," Washington University Journal of Law & Policy, January 2006.