Marijuana doesn’t harm lung function, study found

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Like cigarette smokers, marijuana users can develop throat irritation and coughs, but the study didn’t focus on those. It also didn’t examine lung cancer, but other studies haven’t found any definitive link between marijuana use and cancer.

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Online:

JAMA: http://jama.ama-assn.org

National Institute on Drug Abuse: http://www.nida.nih.gov

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