U.S. doctors online nowAsk doctors free
A 35-year-old member asked:

Does long term marijuana use negatively affect seratonin levels?

1 doctor answer2 doctors weighed in
Dr. Marc Zimmermann
Psychiatry 23 years experience
Yes: The literature seems to indicate that more than occasional use of marijuana decreases seratonin levels.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Nov 29, 2014


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.