teen depression

Sleep-deprived adolescents are more likely to carry handguns, even to school, according to new research from Florida International University.

Updated at 3:45 p.m.

A study published Thursday in the Journal of Abnormal Psychology finds the percentage of U.S. teens and young adults reporting mental distress, depression and suicidal thoughts and actions has risen significantly over the past decade. While these problems also increased among adults 26 and older, the increase was not nearly as large as among younger people.