In-depth

Complications

Persistent nervousness, worry and other anxiety symptoms can put you at risk of serious health problems. Take steps to ease your mind sooner rather than later.

Bipolar disorder

Managing bipolar disorder can be a challenge. Stick to your treatment plan to keep mood swings under control.

Insomnia

Sleepless nights? Insomnia includes difficulty going to sleep, staying asleep or going back to sleep after you awaken. Insomnia may be temporary or chronic.

Lifestyle and home remedies

Choosing a light box

If you have seasonal affective disorder, don't spend a lot of money on a light box until you learn what features to consider.

Risk factors

Depression

Take control of your mood and health. Explore the many depression treatment options and learn coping skills.

Symptoms

Unexplained weight loss

Unexplained weight loss: Symptom — Overview covers possible causes of unexplained weight loss.

Treatments and drugs

Light therapy

Light therapy can improve symptoms related to seasonal affective disorder and several other conditions. Here's why and how it's used.

Psychotherapy

Psychotherapy is one way to treat many mental illnesses. See how therapy is used and which type may be best for you.

Sep. 22, 2011