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Depression - Topic Overview

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This topic covers depression in adults. For information on:

What is depression?

Depression is an illness that causes you to feel sad, lose interest in activities that you've always enjoyed, withdraw from others, and have little energy. It's different from normal feelings of sadness, grief, or low energy. Depression can also cause people to feel hopeless about the future and even think about suicide.

Many people, and sometimes their families, feel embarrassed or ashamed about having depression. Don't let these feelings stand in the way of getting treatment. Remember that depression is a common illness. It affects the young and old, men and women, all ethnic groups, and all professions.

If you think you may be depressed, tell your doctor. Treatment can help you enjoy life again. The sooner you get treatment, the sooner you will feel better.

What causes depression?

Depression is a disease. It's not caused by personal weakness and is not a character flaw. When you have depression, there may be problems with activity levels in certain parts of your brain, or chemicals in your brain called neurotransmitters may be out of balance.

Most experts believe that a combination of family history (your genes) and stressful life events may cause depression. Life events can include a death in the family or having a long-term health problem.

Just because you have a family member with depression or have stressful life events doesn't mean you'll get depression.

You also may get depressed even if there is no reason you can think of.

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