A member asked:

Can serotonin levels be tested?

A doctor has provided 1 answer
Dr. Mark Fisher answered

Specializes in Neurology

Please repost: Please repost and include the tissue or organ of interest: Blood? Brain? Left kidney? Right big toe? Also why you are asking: are you asking because you've fallen for the misconception that low serotonin "levels" in the brain cause depression? (They don't. That notion has been debunked over and over again.)

Answered 1/29/2018

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