Does Marijuana Cause Permanent Brain Damage in Adults?



How much cannabis is too much for those who start smoking as adults?

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What if you start before age 25? See my last video: Does Marijuana Cause Permanent Brain Damage in Teens? (

All my upcoming cannabis videos can be streamed right now ( for a donation to the 501c3 nonprofit that runs NutritionFacts.org

Want an herb that can help your brain? Check out Benefits of Rosemary for Brain Function ( and Best Aromatherapy Herb for Alzheimer’s (

The cannabis issue reminds me of a similar clash of politics and commercial interests in the cell phone debate. If you’re interested, check out my videos Does Cell Phone Radiation Cause Cancer? ( and Cell Phone Brain Tumor Risk? ( I continue that video series with the next installment coming up next: Do Mobile Phones Affect Brain Function? (D:NutritionFactsnfvol 41nutritionfacts.orgvideoDo-Mobile-Phones-Affect-Brain-Function).

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Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM

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