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A large-scale national study suggests low to moderate use of marijuana is less harmful to users’ lungs than exposure to tobacco, even though the two substances contain many of the same components.
Marijuana Shown to Be Less Damaging to Lungs Than Tobacco
Seeded on Wed Jan 11, 2012 9:14 AM EST
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“Essentially with tobacco, the more you use, the more loss you have with both of the indicators, air flow rate and lung volume,” said the paper’s last author Stefan Kertesz, MD, MSc, associate professor in the Division of Preventive Medicine at the University of Alabama at Birmingham School of Medicine and the Birmingham VA Medical Center. “There’s a straight-line relationship: the more you use, the more you lose.”
The same was not true with marijuana use. Air flow rate increased rather than decreased with increased exposure to marijuana up to a certain level.
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