2 doctors weighed in:

Does long term marijuana use negatively affect seratonin levels?

2 doctors weighed in
Dr. Marc Zimmermann
Psychiatry
1 doctor agrees

In brief: Yes

The literature seems to indicate that more than occasional use of marijuana decreases seratonin levels.

In brief: Yes

The literature seems to indicate that more than occasional use of marijuana decreases seratonin levels.
Dr. Marc Zimmermann
Dr. Marc Zimmermann
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