title: Marijuana and the lung.
abstract: Short-term effects of marijuana smoking include bronchodilatation; long-term effects on the respiratory tree appear comparable with those of heavy cigarette use. Contamination of marijuana with paraquat, a potent herbicide, does not at this time appear to constitute a significant hazard to the lungs.
mesh_terms: D000293:Adolescent; D000328:Adult; D000403:Airway Resistance; D000818:Animals; D001249:Asthma / Q000628:therapy; D002188:Cannabis; D002648:Child; D005541:Forced Expiratory Volume; D006801:Humans; D008450:Maximal Midexpiratory Flow Rate; D010269:Paraquat / Q000009:adverse effects; D011653:Pulmonary Diffusing Capacity; D012129:Respiratory Function Tests; D012140:Respiratory Tract Diseases / Q000175:diagnosis / Q000209:etiology*
chemical_list: D010269:Paraquat