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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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    School Shootings: The Columbine Generation Copes

    Once again, school shootings are in the headlines. And in recent years, those headlines have become all too familiar to students. "It's affected the generation dramatically," Marjorie Lindholm, a survivor of the 1999 Columbine High School shootings in Littleton, Colo., tells WebMD. "If you notice the pattern of the school shootings, they were high schools and now it's moving into colleges, which kind of means it's following the age group." Lindholm was in a classroom where a wounded...

    Read the School Shootings: The Columbine Generation Copes 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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