Quick Facts on OCD
- Prevalence: About 2% worldwide
- Age of Onset: 20 years
- Female to Male Ratio: 1.5: 1.0
- Heritability: Unclear; evidence mixed so far
- Comorbidity: Depression, 30%; Panic Disorder and Social Phobia, 15-25%; Tics, 10-20%; Personality Disorders common (mainly Avoidant, Dependent, and Obsessive Compulsive)
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