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

NPR | By Rhitu Chatterjee

Published February 23, 2026 at 12:56 PM PST

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.

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

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

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