Link between Cannabis use in Teens & Psychosis Later on
NPR.wNYC / Feb 21. 2026
Understanding the Risks of Teen Cannabis Use
A recent report from NPR highlights important new research about how cannabis
(marijuana) use may affect teenagers’ mental health.A large scientific study—published in
JAMA Health Forum—followed over 460,000 teenagers into young adulthood. Researchers
wanted to understand how cannabis use might impact mental health over time.The results
showed that teens who used cannabis were more likely to develop mental health conditions
later, including:
● Anxiety
● Depression
● Bipolar disorder
● Psychotic disorders (such as schizophrenia)
In fact, teens who used cannabis had about twice the risk of developing serious conditions like
bipolar disorder and psychosis compared to those who did not use it.
Why Are Teens More Vulnerable?
Experts say adolescence is a critical time for brain development. Because the brain is still
growing, substances like cannabis may interfere with how it develops.
● Younger teens may be especially sensitive to these effects
● Early use may increase the likelihood of long-term mental health challenges
● The earlier the use begins, the greater the potential risk
As cannabis becomes legalized in more places, some people view it as “safe” or
“natural.” However, researchers caution that this perception can be misleading—especially for
young people.One expert described teen cannabis use as “playing with fire” when it comes to
mental health risks. This research reminds us that prevention and education matter, that open
conversations between students, families, and educators are essential, and making informed
choices can help protect long-term health.
Key Takeaway
Families and educators can support students by encouraging honest, judgment-free
conversations, sharing factual information about risks rather than just opinions, reminding
students that “natural” does not always mean safe, and promoting healthy coping strategies for
managing stress.Cannabis use during the teen years may carry real and lasting mental health
risks. Staying informed helps students make safer, healthier decisions.
Read more here!
https://www.npr.org/2026/02/21/nx-s1-5719338/cannabis-marijuana-weed-teens-psychosis-jama
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