More evidence today that limits should be placed on how much time children spend on social media.

study published today in the journal JAMA Psychiatry suggests that teenagers who spend more than three hours a day on social media are more likely to develop mental health problems including depression, anxiety, aggression, and antisocial behavior.

The study further suggested that...

The effects of social-media consumption on teens manifest in two main ways, according to the study’s authors: internally (depression and anxiety, for example) and externally (aggressive behavior or antisocial behavior). The latter were essentially nonexistent among teens who reported that they didn’t use social media.

The broader point of the study that's worth remembering is that excessive time on social media doesn’t help people’s mental state.