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OCD is a behavior that has no real use but the sufferer has strong impulses to exhibit the behavior anyway, often because they are scared of superstitious events.

An addiction to a substance is a rewiring of brain patterns where use of the substance has acquired a very high priority. if often caused by habitual use of the drug so that your reward system gets wired around the drug more and more.

yes because you almost cant cotrol it

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13y ago

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