In US adolescents, increasing social media use from ages 9–13 was associated with lower scores on measures of reading, memory, vocabulary, and composite cognition. https://t.co/I6JIZ8FrrM

As a liver doctor who has treated patients with hepatitis B for decades, this change to the vaccine schedule is a mistake. The hepatitis B vaccine is safe and effective. The birth dose is a recommendation, NOT a mandate. Before the birth dose was recommended, 20,000 newborns a

Congrats to lead author @SeanPerezMD and team on their new @JAMASurgery study showing data-driven surgical supply lists can save hospitals millions without compromising patient care, nearly $3M in unused items found in 5 months. Great to see @UCSDHealth already using these

“Healthcare AI will realize its full transformative potential, even though most healthcare AI start-ups will fail.”

Great work on ML-enabled surgical preference cards by @SeanPerezMD and the @UCSDHealth team in collaboration with @DataScienceAll1

This is huge, kudos to Zak and the @NEJM_AI team

Happy Thanksgiving 2025! 🦃

I’m a doctor who has seen people die from vaccine-preventable diseases. What parents need to hear right now is vaccines for measles, polio, hepatitis B and other childhood diseases are safe and effective and will not cause autism. Any statement to the contrary is wrong,

“To see the world, things dangerous to come to, to see behind walls, draw closer, to find each other and to feel. That is the purpose of life.”

Your giving goes the distance! Seattle Children's ensures every child and family has the hope, care, and cures they need without financial burden. See how your work and generosity ensure every child receives the best care. Read Connection here: https://t.co/U7V6dTzE9T

“Frustrated by the medical system, patients turn to AI” ⤵️ https://t.co/kEb3iXcEoR

Another great NYT article on patient use of chatbots by @teddyrosenbluth and @MaggieAstor with helpful comments by @Bob_Wachter, @ePatientDave, @AdamRodmanMD, and others. When will health systems embrace these tools? Gift link below ⤵️

The "every kid gets a Chromebook" idea has been a failure. Test scores are down. Screens are bad for learning. Plus kids use school-issued devices to watch streaming services, YouTube, and even porn. My latest in @nytimes: https://t.co/SGcxJWrWHG

I used to think the main damage from social media was to youth mental health. Now I believe that the global destruction of the human ability to pay attention may be even larger. A meta-analysis shows the damage, to adults as well as teens, from TikTok+ https://t.co/YS0dkQTdj0

End of an era… thanks for the memories 🙏

Artificial intelligence carries promise and uncertainty for clinicians, patients, and health systems. The JAMA Summit Report presents expert perspectives on the opportunities, risks, and challenges of #AI in health care. https://t.co/8JebUSSuTV

I had a touch of v fib in 2020, really knocked me on my ass for a few days

“Comparison is the killer of joy. Hike your own hike.”

After an incredible decade at UC San Diego Health, I wrapped up my last full week exactly 10 years after my first - thank you all for the love and laughter. Looking forward to (re)joining the children's hospital community in Seattle this January! 🏥🚸⤵️ https://t.co/bhUfjPJVKV