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Causes of OCD

Information on known and suspected causes of OCD, including genetics, neurotransmitters, neuroanatomy and psychological factors.
Causes of OCD
What causes OCD? While some aspects of this disease are still unknown, there is much we do know about the potential causes of OCD. Genetics, brain chemistry, anatomy, infection, lifestyle and learned behaviors all play a role.
What Causes OCD?
Read the basics on OCD, from your About.com Guide to Mental Health
OCD Basics
Learn more about OCD, including its possible causes, from your About.com Guide to Panic Disorder, Cathleen Henning Fenton
OCD Definitions
Concise medical information on OCD, including its symptoms and possible causes, from About.com's A.D.A.M. Illustrated Health Encyclopedia
OCD Questions and Answers
Information on the causes of OCD and hoarding, from your About.com Guide to Holistic Healing, Christopher Stewart
Information from the National Institute for Mental Health
The National Institute for Mental Health's website provides information on OCD basics, as well as new research.

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