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

A cigarette habit can be hard to kick, especially for people with serious mental illnesses. Luckily, there's a medication that might make the quitting process easier.

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.

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.