How can lack of Serotonin have anything to do with OCD?

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I get it it’s the good mood hormone and you can feel down when you are low on it. Makes sense how it could be the cause of depression.

But how it can be related to brain making stressful thoughts? And forcing one to do compulsions for relief?

And why when you take SSRIs and your Serotonins reach a normal level, a significant reduction of symptoms occurs? I don’t get it.

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Anonymous 0 Comments

Neurotransmitters like Serotonin don’t have a 1-to-1 function; the body uses neurotransmitters for all sorts of things. 

From the first paragraph of Wikipedia: 

> Its biological function is complex, touching on diverse functions including mood, cognition, reward, learning, memory, and numerous physiological processes such as vomiting and vasoconstriction.

Disregulation of any neurotransmitter will have complex, cascading impacts across multiple systems, not just cognition. 

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