title: Is frequent marijuana smoking harmful to health?
authors.forename: D P
authors.initials: DP
authors.lastname: Tashkin
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D005260:Female; D006801:Humans; D008297:Male; D008385:Marijuana Smoking / Q000009:adverse effects*; D012140:Respiratory Tract Diseases / Q000209:etiology; D012907:Smoking / Q000009:adverse effects