A new study finds gray matter differences in the teenage brain that may lead to early nicotine use and long-term addiction.

Nearly half of teens with obesity no longer had the disease after taking once-weekly semaglutide (Wegovy) as part of an overall weight loss program, researchers say.

A new study finds college students are much happier and less lonely, anxious, and depressed when they limit their time on social media.

Psychologists offer 10 recommendations to help train children on the safe and healthy use of social media