Americans are smoking less than they did in the early 1990s, thanks to a number of efforts. But there are still quite a few smokers among certain groups in the US.

Depression, autism and schizophrenia have very different symptoms. But new genetic research suggests that they may share a root cause.

Hormones are often to blame when women's moods are swinging. With medicines to balance hormones and stabilize mood, new research suggests it's okay to combine the two.

Deploying overseas in the military can be stressful for any soldier. So one could imagine it may be even rougher for women who deploy after having a baby.

A positive outlook doesn’t always come naturally. With the right tools, therapists can help patients feel better by helping them see things in a positive light.

Bariatric surgery is an increasingly common treatment for obesity. After the surgery, however, healthy habits contribute to weight loss. They also contribute to positive mental health.

Mental health can often affect many different aspects of life, including physical health. New research suggests that older adults with asthma may have more asthma-related issues when they are depressed.

The immune system is a funny animal. It's job is to protect the rest of the body, but it can be affected by the health of the rest of the body too – even mental health.

We already know that heavy drinking can lead to depression, and that heavy depression can lead to drinking. But does that mean alcoholism and major depression are always linked?

There is no shortage of teenagers who will tell you their high school is a depressing place. But some of them may be on to something.