4 doctors weighed in:
How much marijuana abuse does it take to see signs of brain damage?
4 doctors weighed in

Dr. Stuart Wasser
Addiction Medicine
3 doctors agree
In brief: Depends
Temporary brain dysfunction from the first dose lasting at least 24 hours.
No clear cut permanent damage at any exposure although it may take weeks to recover normal function after daily use.

In brief: Depends
Temporary brain dysfunction from the first dose lasting at least 24 hours.
No clear cut permanent damage at any exposure although it may take weeks to recover normal function after daily use.
Dr. Stuart Wasser
Dr. Stuart Wasser
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