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A 25-year-old male asked:

What are the scientifically proven adverse health effects of long-term marijuana use? (assume method of ingestion is not smoking)

2 doctor answers3 doctors weighed in
Dr. Timothy Re
Clinical Psychology 32 years experience
Complicated: Marijuana is a very complex drug that has many active metabolites and complex interactions with your nervous system, so its hard to say definitively. There is strong evidence that it interferes with learning and that it makes mental illness worse if you have any predisposition. There are many studies witch suggests other problems but we are still studying this.
Dr. Heidi Fowler
Psychiatry 26 years experience
Cannabis: Potential long-term risk of Cannabis include panic attacks, anxiety disorders, paranoia, dissociation, psychosis, aggression, ataxia, hallucinations & illusions
Last updated Sep 16, 2018

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