NORML Working to Reform Marijuana Laws

Study: Cannabis Smoking Not Associated With Increased Lung Cancer Risk Or Other Serious Pulmonary Complications

A forthcoming review to be published in journal Annals of the American Thoracic Society reiterates that the ingestion of cannabis smoke poses nominal pulmonary risks compared to those associated with tobacco smoke. It concludes, “In summary, the accumulated weight of evidence implies far lower risks for pulmonary complications of even regular heavy use of marijuana compared to the grave pulmonary consequences of tobacco.”