A huge study finds a link between cannabis use in teens and psychosis later

NPR | By Rhitu Chatterjee

Published February 23, 2026 at 3:56 PM EST

Researchers followed more than 400,000 teens until they were adults. It found that those who used marijuana were more likely to develop serious mental illness, as well as depression and anxiety.

Rhitu Chatterjee

Rhitu Chatterjee is a health correspondent with NPR, with a focus on mental health.

See stories by Rhitu Chatterjee

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