🗣️ New @ucsfchildrens.bsky.social study in @ajpmonline.bsky.social! 🧠Adolescents in the low-to-moderate and moderate-to-high problematic social media use trajectories had lower cognitive performance 🔗 Read here: tinyurl.com/socmind @theabcdstudy.bsky.social

FDA voted to let compounding pharmacies make BPC-157, TB-500 & other gray-market peptides despite agency scientists safety objections. Piatkowski, Ganson & @jasonmnagata.bsky.social flagged the youth-use risks in May, Lancet Child Adolesc Health. www.nytimes.com/2026/07/25/o...

Opinion | The Coming Peptide Free-for-All

Welcome to the new Wild West of peptides.

nytimes.com

🗣️ New @ucsfchildrens.bsky.social study in @annalsofepi.bsky.social! Among 10,735 adolescents in @theabcdstudy.bsky.social, we found that adolescents with increasing social media use are more likely to experience greater eating disorder symptoms. 🔗 Read here: tinyurl.com/EDTraj

🗣️ New @ucsfchildrens.bsky.social study in @jamanetworkopen.com! Among 11,286 adolescents in @theabcdstudy.bsky.social Study: ✔️ Within-person elevations in problematic social media use were associated with higher ADHD symptoms the following year during mid-adolescence 🔗 tinyurl.com/psmuadhd

🗣️ New @ucsfchildrens.bsky.social commentary in Journal of Adolescent Health! Our 8-week rotation model gives medical students exposure to adolescent health research and the chance to collaborate with interdisciplinary faculty, mentors, and peers across institutions. 🔗 tinyurl.com/AdolRes

🗣️ New @ucsfchildrens.bsky.social study in Journal of Adolescent Health! Parental allowance of: 🛌 Bedroom screen use 🎁 Screen use as a reward 🍴Mealtime screen use …was associated with higher odds of cyberbullying victimization 🔗 Read here: tinyurl.com/cybmedia @theabcdstudy.bsky.social

🗣️ New @ucsfchildrens.bsky.social study in Acta Paediatrica! 📱How parents manage devices may shape early adolescent screen use 1 year later 🔗 Read here: tinyurl.com/e5upves6 @theabcdstudy.bsky.social

As school routines disappear, screen time surges, often at the expense of sleep, exercise and real-world friendships, Dr. Jason Nagata says. To help combat overuse, he suggests introducing fun alternatives, a family media plan and modeling healthy screen use. https://ucsfh.org/4eA03hm

'Toy Story 5' gets at something very real: It's hard to keep kids off screens in summer

Kids' screen use goes way up in the summertime. And just as the movie Toy Story 5 portrays, that can be problematic for children. Here are tips for parents to help their kids manage screens and have f...

ucsfh.org

🗣️ New @ucsfchildrens.bsky.social study in Academic Pediatrics! Cyberbullying trajectories → poorer academic outcomes in adolescents in @theabcdstudy.bsky.social 🔗 Read here: tinyurl.com/yc3pmw4x @ucsfhealth.bsky.social

🗣️New @ucsfchildrens.bsky.social study in Pediatric Research! Each additional hour spent on: 📺 TV/videos 🎮 Video games 📱 Social media …was linked to a higher likelihood of poor diet quality (e.g., less fiber intake and more added sugar intake) 🔗 Read here: rdcu.be/fn2Tj @socpedresearch.bsky.social

🗣️ New viewpoint in @jama.com led by @piatkowskitim.bsky.social! 💉 Illicit injectable peptides are increasingly promoted online for enhancement, raising concerns about youth exposure, limited safety evidence, and regulatory gaps. 🔗 Read here: tinyurl.com/jamapeptides

More than 1/2 of U.S. teens use their phones after midnight instead of sleeping, a study finds. Regular late-night phone use "can interfere with the sleep they need to learn and perform at their best at school the next day,” Dr. @jasonmnagata.bsky.social tells @people.com. https://ucsfh.org/4tWs1cC

More Than Half of U.S. Teens Are Losing Critical Sleep Due to Smartphone Use After Midnight

More than half of U.S. adolescents are losing crucial sleep to smartphone use between the hours of 12:00 a.m. and 4:00 a.m., according to a new study. Participants in the study were most likely to use...

ucsfh.org

🗣️New @ucsfchildrens.bsky.social study in The American Journal of Psychiatry! 📱Longitudinal research shows that early-onset, rapid increasing social media use may be associated with future substance experimentation. 🔗 To learn more, visit: tinyurl.com/fdwwu9tm

Adolescents in a national cohort used smartphones an average of 50 minutes on school nights, mostly for social media, with about half using devices during midnight hours, raising concerns for sleep disruption. @jasonmnagata.bsky.social ja.ma/42EVg8X

📣 New @ucsfchildrens.bsky.social study in @jamapediatrics.com! 📱Adolescents spent an average of 50 minutes using a smartphone during school nights 🔗 Read here: tinyurl.com/sep3rnw4

🗣️ New @ucsfchildrens.bsky.social study in Current Psychiatry Reports! 📱Among adolescent boys and young men, exposure to appearance-focused and manosphere content is linked to body dissatisfaction, risky behaviors, and harmful masculinity norms. 🔗 Read here: rdcu.be/fiCsc

New in @lancetchildadol.bsky.social Kyle + @jasonmnagata.bsky.social + I discuss the growing use of injectable synthetic peptides & outline priorities for clinicians, regulation, and prevention. @uoft-fifsw.bsky.social @ucsfchildrens.bsky.social @UQ doi.org/10.1016/S235...

Med News: A major meta-analysis has found that digital media use, particularly social media, is consistently linked to worse youth mental health and development. ja.ma/4ueqrU0

Social Media Linked to Poorer Youth Mental Health

This Medical News article discusses a study linking digital media—particularly social media—use to consistent risks for children’s mental health and development.

ja.ma

Struggling with phone or social media use? Try a family media plan: • No screens in the bedroom at night, and turn phones off • Keep mealtimes screen-free • Model healthy habits Grateful to @nytimes.com for featuring our @ucsfchildrens.bsky.social research. www.nytimes.com/2026/04/30/t...

Struggling With Phone Addiction? Try These Remedies.

nytimes.com

🗣️ New @ucsfchildrens.bsky.social study in @amjpublichealth.bsky.social 📱Online masculine content is a spectrum, from fitness & mental health communities to the “manosphere.” Impacts span 🤝 relationships, 🏥 health, and 💪 fitness, with risks and benefits. 🔗 tinyurl.com/4etm5xk9

📣 New @ucsfchildrens.bsky.social study! 📱Higher screen time and lower daily step count associated with higher risk of elevated BMI in early adolescence 🔗 Read here: tinyurl.com/584ems5j @ucsf-ihps.bsky.social @ucsfhealth.bsky.social

🗣️ New @ucsfchildrens.bsky.social study in AJPM Focus! 🫀 In this national sample of early adolescents, cardiovascular health was characterized among U.S. early adolescents using the American Heart Association’s Life’s Essential 8 metric. 🔗 To learn more, visit: tinyurl.com/LE8adolesc

🗣️ New @ucsfchildrens.bsky.social study in NeuroImage! 🧠 Greater daily social media use was associated with lower cortical thickness in a wide array of cortical regions, including the prefrontal cortices, and temporal, occipital, and parietal lobes 🔗 Read here: tinyurl.com/abcdbrain

🗣️ New @ucsfchildrens.bsky.social study in @lancetrh-americ.bsky.social! 📱🧠 Increasing social media use among early adolescents associated with lower cognitive performance 2 years later 🔗 Read here: tinyurl.com/socmedmem

New in @addictionjournal.bsky.social w @jasonmnagata.bsky.social & @drsuzinielsen.bsky.social Our new paper argues it’s time to rethink policy and health responses for ppl who use steroids. @uqchsr.bsky.social @ucsfchildrens.bsky.social @monashaddiction.bsky.social doi.org/10.1111/add....

What anabolic–androgenic steroids reveal about the limits of current harm reduction models

Background Harm reduction has largely been shaped by responses to psychoactive drug use where the most urgent harms are acute. These models focus on overdose, blood-borne viruses, and rapid-onset to...

doi.org

📣 New @ucsfchildrens.bsky.social study in BMC Public Health! 📱Higher recreational screen time and lower daily step count associated with higher cardiovascular disease risk in early adolescence 🔗 Read here: tinyurl.com/n5w9hwc7 @ucsf-ihps.bsky.social @ucsfhealth.bsky.social

🗣️New @ucsfchildrens.bsky.social study in Current Pediatrics Reports! Evidence suggests that video gaming may offer more than just entertainment for adolescents and young adults 🔗To learn more, visit: tinyurl.com/VGHealthAYA @ucsf-ihps.bsky.social @ucsfpsych.bsky.social @smahrteam.bsky.social

What is the impact of image-based content on the #BodyImage development of boys and young men? In this clip from #ScreenDeep, @jasonmnagata.bsky.social explains how idealized masculinity can trigger body image-related behaviors for young male social media users. Learn more: https://bit.ly/4gCALyq

📣 New @ucsfchildrens.bsky.social study in Eating and Weight Disorders! ⚖️ Eating disorder symptoms in early adolescence were prospectively associated with higher BMI percentile one year later among males 🔗 Read here: tinyurl.com/3w982hfr @ucsf-ihps.bsky.social @ucsfhealth.bsky.social

🗣️New @ucsfchildrens.bsky.social study in the American Journal on Addictions! 📱Greater #socialmedia use associated with early adolescent #nicotine experimentation. Positive beliefs about smoking may influence this relationship. 🔗To learn more, visit: tinyurl.com/SMNicExp @ucsf-ihps.bsky.social