John, I’m sorry, but you’re wrong. There was a recently published long term study (I think 20 years) that tracked heavy pot smokers and found “no loss of pulmonary function.” The study was featured in a documentary titled, “Up in Smoke,” I found on UTube. Evidently one of the forty plus cannabinoids found in pot counter act the negative effects of the smoke.
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John, I’m sorry, but you’re wrong. There was a recently published long term study (I think 20 years) that tracked heavy pot smokers and found “no loss of pulmonary function.” The study was featured in a documentary titled, “Up in Smoke,” I found on UTube. Evidently one of the forty plus cannabinoids found in pot counter act the negative effects of the smoke.