Does Marijuana Cause Health Problems?

Every year, cannabis is estimated to result in 2 million years of healthy life lost due to disability. How much is that compared to alcohol and tobacco?

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If you’re interested in more, check out my two prequel videos The Institute of Medicine Report on the Health Effects of Marijuana ( and Researching the Health Effects of Marijuana ( and the last video, Is Marijuana Addictive? ( And if you really want to learn more, I made a whole DVD ( of cannabis research for those interested in a deep dive.

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? (

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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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Image credit: tanjila ahmed / flickr
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