Teenagers with a high BMI showed signs of heart problems usually seen in adults.
Scientists believe even drinking in moderation can have a negative affect on how the body generates energy.
The teenager was hooked up to a breathing machine and had her lungs drained of fluid.
The Discover EU project will send thousands of 18-year-olds traveling the continent for free.
The biggest declines in sexual activity were among ninth and tenth graders and black and Latino teenagers, the study found.
The ACLU of Minnesota came to the defense of a teenage girl who faces child porn charges for sending explicit photos of herself to a male classmate.
And high schoolers are abusing prescription opioids less than ever.
Teams from both nations are set to participate in a tournament in China later this month.
New research shows close friendships are better than groups of casual friends.
"Whatever the biological, or neurobiological, factors that might contribute to criminal behavior, culture and social structure apparently play as great, or greater role."
A new study found that teenagers use words like "down" or "sad" when they're feeling low. But adults shouldn't write these off as teen angst.
The intelligence agency will send cryptography and cybersecurity puzzles to schoolgirls.
A new CDC report suggests the number of mothers between ages 15 and 19 has dropped 61 percent since 1991.
Prosecutors say Owen Labrie took a 15-year-old girl to the roof of a building at St. Paul's School in New Hampshire and sexually assaulting her.
Study finds that teenagers using social media excessively are more likely to report poor mental health.
For most parents, a car for their children means both freedom and fear. But a kid and four wheels can make for a deadly combination.
P.S. marijuana is still cool, though