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Obsessive-Compulsive Disorder (OCD) - Cause

Researchers have yet to pinpoint the exact cause of obsessive-compulsive disorder (OCD), but brain abnormalities, genetic (family) influences, and environmental factors are being studied. Brain scans of people with OCD have shown that they have different patterns of brain activity than people without OCD and that abnormal functioning of circuitry within a certain part of the brain (striatum) may cause the disorder. Abnormalities in other parts of the brain and an imbalance of brain chemicals, especially serotonin, may also contribute to OCD.

Some experts believe that a problem related to streptococcal infections, such as strep throat and scarlet fever, can suddenly bring on the disorder or make its symptoms worse in some children.

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Actor Tony Shalhoub Takes on Obsessive Compulsive Disorder

This fall, USA Network will air the 100th episode of the hit detective series, Monk. “It should be a lot of fun,” says actor Tony Shalhoub, 54, who has played the title character for seven seasons. “Especially because Monk really likes the number 100.” Adrian Monk, for those not in the know, is a warm and brokenhearted detective who has obsessive-compulsive disorder (OCD), a mental illness with specific traits that Shalhoub says are not all that hard for him to identify with. Brilliant crime...

Read the Actor Tony Shalhoub Takes on Obsessive Compulsive Disorder article > >

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WebMD Medical Reference from Healthwise

Last Updated: June 05, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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