Diminished risk-taking behaviors and other benefits may explain why many people with bipolar disorder keep consuming cannabis despite some dire downsides
- By Gary Stix on
Many people with bipolar disorder have a strong attraction to marijuana. A 2019 review of 53 studies found that almost a quarter of a combined sample of 51,756 individuals with the condition used cannabis or had a problematic pattern of consumption (cannabis use disorder), compared with 2 to 7 percent in the general population—and an earlier study placed usage estimates still higher.
Cannabis and bipolar disorder do not go particularly well together. Consumption may increase manic and psychotic symptoms, and there may be a greater risk of suicide. But can the allure of cannabis be explained as a mere form of substance misuse? Why are people with bipolar disorder so attracted to marijuana? Could they be getting any possible benefit from it?
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Gary Stix is a senior editor at Scientific American. Follow Gary Stix on Twitter Credit: Nick Higgins