Obsessions (thoughts)
- Fear of contamination by germs or dirt
- Doubts about having done something right (e.g., locking the door, turning off appliances)
- Aggressive or horrific thoughts about harming oneself or others
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- Intrusive thoughts about taboo subjects (sexual, religious, or violent)
Compulsions (behaviors)
- Excessive handwashing or cleaning
- Repeatedly checking things
- Counting, tapping, repeating words silently
- Arranging items in a particular order or symmetry
Note: People with OCD often recognize their thoughts and behaviors as irrational but feel powerless to control them.
Causes & Risk Factors:
- Genetic factors (family history of OCD)
- Abnormal brain circuitry (involving serotonin)
- Childhood trauma or stressful life events
- Certain personality traits (like perfectionism)