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Mood Disorders
Understanding Mood Disorders

By Keath Low, About.com

Updated: March 05, 2009

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

The most common mood disorders include depression and bipolar disorder.

Symptoms of depression include feelings of hopelessness, fatigue, low energy, inability to concentrate, and disturbed thinking.

Individuals with bipolar disorder have extreme mood swings that vacillate between periods of intense highs and lows. During high swings behavior is similar to ADHD with hyperactivity, increased energy, impulsive behaviors and racing thoughts.

Click on Depression and Bipolar Disorder to learn more.

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