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.

Substance abuse, or drug abuse, is common in people with bipolar disorder. A recent study looked for substance abuse risk factors in kids and teens with bipolar disorder.

Of course, no one can smoke inside hospitals anymore. There are strict policies against it. But, outside the hospital, on the grounds and in designated areas, it's usually still fair game.

Which came first: smoking or the anxiety disorder? Does smoking aggravate an existing anxiety disorder? Or is an existing anxiety disorder a risk factor for smoking?

Can too much time on the Internet lead to depression and loneliness? Is the Internet addictive? Internet use has carved out a niche of research in communication and psychology.

The impact of child abuse doesn't end when a child escapes an abusive environment. But knowing their future risks of health issues can help abused individuals seek treatment early.

Veterans with substance abuse and posttraumatic stress have a higher risk of dying from both injury and health related issues. How can treatment programs address both issues at once?

Anxiety disorders such as post-traumatic stress disorder (PTSD) affect the lives of many people. These people frequently turn to alcohol consumption to deal with the pain. However, alcohol may just be making it worse.

Treating post-traumatic stress disorder can be tough when adding in substance dependence. New treatment methods have shown promise in helping both issues.

The human brain is still in a state of rapid development during the teen years. Can using marijuana disrupt normal brain growth? A recent study followed a group of teens for 15 years to see how marijuana affected their mental health.