Cannabis and Mental Health: 2017 Report of the National Academy of Sciences, Engineering and Medicine
Author: Flavio Guzman, MD
Last updated: February 9, 2018
The National Academies of Sciences, Engineering, and Medicine published a report on the health effects of cannabis and cannabinoids.
Here we reproduce the key points of the mental health chapter. You can access the full publication here.
Psychosis and schizophrenia
- Cannabis use is likely to increase the risk of developing schizophrenia and other psychoses; the higher the use the greater the risk.
- In individuals with schizophrenia and other psychoses, a history of cannabis use may be linked to better performance on learning and memory tasks.
- For individuals diagnosed with bipolar disorders, near daily cannabis use may be linked to greater symptoms of bipolar disorder than non-users.
- Cannabis use does not appear to increase the likelihood of developing depression, anxiety, and posttraumatic stress disorder.
- Heavy cannabis users are more likely to report thoughts of suicide than non-users.
- Regular cannabis use is likely to increase the risk for developing social anxiety disorder.
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