ChronicBrain Function & Neurobiology
Research shows that OCD is linked to differences in how certain brain circuits process fear, error detection, and habit formation. Neurotransmitters like serotonin and glutamate may also play a role.
Genetics & Family History
OCD often runs in families. While having a relative with OCD doesn’t guarantee you’ll develop it, it may increase your risk — especially when combined with other stressors.
Psychological Factors
Perfectionism, high anxiety sensitivity, and rigid thinking patterns can increase vulnerability to obsessive thinking and compulsive behavior.
Life Stress & Trauma
For some people, OCD symptoms emerge or intensify after major life events, chronic stress, or trauma. Others may develop OCD gradually over time.