Monday, November 29th, 2021

Study: Smoking Pot Won’t Give You Lung Cancer, or Hurt Your Lungs at All

Published on January 14, 2012 by   ·   1 Comment

NORML

According to a new study, exposure to cannabis smoke, even over the long-term, is not associated with adverse effects on pulmonary function.

Exposure to cannabis smoke, even over the long-term, is not associated with adverse effects on pulmonary function. That’s the conclusion of a major clinical trial published Tuesday in the prestigious Journal of the American Medical Association (JAMA).

Investigators at the University of California, San Francisco analyzed the association between marijuana exposure and pulmonary function over a 20 year period in a cohort of 5,115 men and women in four US cities.

Predictably, researchers “confirmed the expected reductions in FEV1 (forced expiratory volume in the first second of expiration) and FVC (forced vital capacity)” in tobacco smokers. By contrast, “Marijuana use was associated with higher FEV1 and FVC at the low levels of exposure typical for most marijuana users. With up to 7 joint-years of lifetime exposure (eg, 1 joint/d for 7 years or 1 joint/wk for 49 years), we found no evidence that increasing exposure to marijuana adversely affects pulmonary function.”

The study concludes, “Our findings suggest that occasional use of marijuana … may not be associated with adverse consequences on pulmonary function.”

Read Entire Article HERE

 

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Readers Comments (1)

  1. Rhonda Snyder says:

    I beg to differ with this conclusion. My brother in law whom never smoked a cigarette in his life was diagnosed with emphesema and told to stop smoking whatever he was smoking. He smoked pot for over 25 years. Yes he got a second opinion which concurred with first. He died from lung cancer, not from the pot but from the chemicals he inhaled while making dentures. RIP Gunnar




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