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Story summary
- A study in JAMA Health Forum finds teen cannabis use raises the risk of mental health disorders, including bipolar disorder and psychosis.
- Researchers analyzed health records of more than 460,000 adolescents aged 13–17, showing cannabis users were twice as likely to be diagnosed with conditions later.
- They report a 34% higher risk of depression and a 24% higher risk of anxiety, prompting experts to urge health responses and educate families.
