Occasional Pot Smoking Won't Harm Lungs: Study
Quick Read20-year study finds a few joints a month have no effect, but other experts differ
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Unlike the cigarette habit, occasional pot smoking does not seem to trigger declines in lung function that could lead to breathing problems, a new 20-year study suggests.
"Tobacco takes you down that road toward breathlessness, but low to moderate levels of marijuana don't," said study co-author Dr. Stefan Kertesz.
But there were limits to the study. For example, the findings do not...
