Could it be time for younger girls to cut back on their use of social media?
Teenagers with any mental health problem are more prone to painkiller dependence after receiving a prescription opioid, a new study finds.
About 15 percent of teenagers say they've shared a sexually explicit image or video of themselves over the internet or via phone messaging, researchers say.
Teenagers are impressionable when it comes to e-cigarettes, new research suggests.
Teens who are glued to their smartphones and other devices are unhappier than those who spend less time on digital media, new research finds.
Most American teenagers are plagued by too little sleep, which can hurt their health and their school performance, federal health officials said Thursday.
