Definition: An intense, irrational fear of an object or situation. Phobias are divided into three types:
Specific Phobia
Social Phobia
Agoraphobia
Specific Phobia
Social Phobia
Agoraphobia
Phobia
By Lisa Fritscher, About.com
Updated: February 15, 2008
About.com Health's Disease and Condition content is reviewed by Steven Gans, MD
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