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

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.

Why This Matters

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. The story is categorized under Science with a positive tone (score 0.11).

In Week 8 2026, Science accounted for 17 related article(s), with UK Politics setting the broader headline context. Coverage of Science increased by 2 article(s) versus the prior week, signaling growing editorial attention.

Coverage Snapshot

Week 8 2026 included 17 Science article(s). Leading outlets for this topic included BBC, NY Times, Independent. Across that cluster, sentiment showed a mostly neutral skew (avg score -0.01).

Key Insights

Primary keywords: teens, researchers, depression, psychosis, marijuana.
Topic focus: Science coverage with positive sentiment.
Source context: reported by NPR.
Published: 2026-02-21.
Published by NPR, a widely cited major outlet.
Date context: published during Week 8 2026, when UK Politics dominated weekly headlines.

Tone & Sentiment

The article tone is classified as positive, driven by the language and emphasis in the summary. The sentiment score of 0.11 indicates the strength of that tone.

Context

This piece fits within the broader Science narrative, connecting current events to ongoing developments. Readers tracking Science trends can use this article as a concise signal of what is shaping coverage right now.

Related Topics

Science

Key Takeaway

In short, this article underscores key movement in Science and explains why it matters now.

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