Dr. Vivek Murthy said he would urge Congress to require a warning that social media use can harm teenagers’ mental health.

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The prevalence of post-traumatic stress disorder among college students rose to 7.5 percent in 2022, more than double the rate five years earlier, researchers found.

© Tristan Spinski for The New York Times

At the American Psychiatric Association’s annual meeting, a patient described a restraint that haunts him, more than eight years later.

© Diana Cervantes for The New York Times

Recent studies cast doubt on whether large-scale mental health interventions are making young people better. Some even suggest they can have a negative effect.

© Sandra Mickiewicz for The New York Times