Now there's more evidence to support a link between bipolar disorder and substance use disorder in adolescents, according to a new study. 

Parents may breathe a little easier — fewer teens may be lighting up, getting high and binge drinking.

The teenage years are a common time for experimentation, which can include experimenting with alcohol, tobacco and drugs.

Energy drinks are popular beverages among teens, but one new study suggests that teens who make these drinks a daily part of their diet may boost their risk of drug and alcohol use.

Sometimes those with mental disorders can also experience other types of physical or mental illness. One such mental illness they may be at risk for is addiction.

Puberty is an important milestone on the road to growing up. But hitting puberty early may lead some kids to try adult substances earlier than other kids.

It’s not exactly a surprise to hear that some teens may drink, smoke or use drugs. But the sheer number of teens engaging in these behaviors may be a bit of a shock.

Parents may feel that what they say to their kids goes in one ear and out the other. But parents may have more influence than they think when it comes to talking with their teens about alcohol and drug use.

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.