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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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    Why We Love Scary Movies

    Halloween is nigh, and along with the parade of adorable elves and fairies knocking on your door come some more disturbing phenomena: scary haunted houses, wild parties and, perhaps most jarringly, a new onslaught of ghastly horror films. This year the biggest new release will be Saw IV, the fourth installment of a tale of a psycho who delights in putting his victims through ever more elaborate and deadly traps. Scary movies are nothing new, but films like those in the Saw and Hostel series have...

    Read the Why We Love Scary Movies article > >

    WebMD Medical Reference from Healthwise

    Last Updated: November 14, 2014
    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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