Cannabis Awareness

Little research to support cannabis for mental health

2026 Study: Sparse evidence for cannabis to treat mental health conditions highlights research gap

Overview

A sweeping review of cannabis studies over the past 45 years concludes there is little to no high-quality evidence showing this is effective.

Many people use cannabis to manage mental health conditions, but large reviews of existing studies find little to no solid evidence that it effectively treats issues like anxiety, depression, or PTSD. It also highlights a gap between widespread real-world use and the lack of rigorous scientific research, with some evidence suggesting cannabis could even worsen certain mental health symptoms.

Read more at NPR.org  

https://www.npr.org/2026/03/17/nx-s1-5750489/cannabis-research-mental-health

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Cannabis & Long-term Cognitive Implications

Heavy cannabis use linked to lasting effects on memory

A new study looked at over 1,000 young adults, ages 22 to 36, to see how heavy cannabis (marijuana) use affects the brain. Using brain scans, researchers found that people who used a lot of cannabis had less brain activity when trying to remember and use information—something called “working memory.” Working memory helps you with everyday things like driving or having a conversation. The study showed that even people who had stopped using cannabis still had weaker brain activity in these areas.

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High Potency. High Risk

Study shows THC potency linked to mental health disorders in teens

 Studies suggest that teens using high-potency cannabis are at a heightened risk for mental health issues, including depression, anxiety, and psychosis. Here are a few studies worth examining.

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Not Just a High—A Risk to Your Mind.

New research on the developing brain & cannabis

Research on the relationship between cannabis use and cognitive function, particularly regarding IQ, suggests a link between heavy or early cannabis use causing IQ decline. Here are a few studies worth reading.

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