If you're treating a teen for mental health, it's important to understand the big picture. The big picture includes how much they drink, smoke or use marijuana.

If you thought the effects of the economic recession were temporary, think again. National unemployment dips may have a surprising long-term effect on the very youngest generations.

Teenagers aren’t allowed to drink because it’s dangerous. Not just accident-prone dangerous, but actual breakdown of the brain’s white matter dangerous.

Teenagers' parents can make a difference in whether their kids drink, smoke or use marijuana, based on past research. But the parents of teens' friends play a part too.

Who would have thought a text message could put a teen on a sex offender list? Yet this is one of the more extreme possible consequences of the increasing trend of " sexting ."

The summer months are a time for rest and relaxation. For some teens though, they can also be a time for risk taking and substance abuse.

More boys are diagnosed with attention deficit hyperactivity disorder (ADHD) than girls. But more of these girls are vulnerable to having other problems later in life.