If you're thinking dark thoughts, your mood isn't likely to be very bright. If you're behaving in a way that's not very uplifting, you probably aren't going to feel good. And if you think can't control your moods, well chances are - you can't.

The horrors of war haunt some returning soldiers more than others. Now scientists have a way to predict who is most vulnerable.

Illegal street drugs are not the only drugs associated with violent behavior.  Various prescription drugs have been linked to violent outbursts, even homicide, by mental health patients.

For many women, pregnancy is an exciting time. However, some pregnant women experience deep depression and anxiety, which puts the health of their baby at risk.

School isn't necessarily a kid's favorite place to be. The classroom can be even worse, particularly for children's mental health, when resources are at a minimum and the teacher is unsupportive.

After a miscarriage, many women experience depression and anxiety. These mental health problems can continue for many years, even after the mother gives birth to a healthy child, according to new research.

Researchers from the U.S. Army have found that screening for mental health conditions prior to deployment reduces psychiatric and behavioral problems among soldiers.

A team of international researchers has found that video game addiction is a growing problem that can lead to numerous psychological issues.

Deep brain stimulation has proven beneficial for some treatment-resistant cases of obsessive-compulsive disorder (OCD), depressive disorders and Tourette syndrome.

Patients with false-positive breast cancer mammograms report serious anxiety and a reduced quality of life for at least one year, according to new research from the Netherlands.