Less harmful ways of smoking.
D000328:Adult; D000368:Aged; D001991:Bronchitis / Q000209:etiology; D002318:Cardiovascular Diseases / Q000209:etiology; D002908:Chronic Disease; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology; D008297:Male; D008875:Middle Aged; D009538:Nicotine / Q000032:analysis; D010947:Plants, Toxic; D011656:Pulmonary Emphysema / Q000209:etiology; D012906:Smoke / Q000032:analysis; D012907:Smoking / Q000150:complications*; D000074606:Smoking Prevention; D014026:Nicotiana / Q000032:analysis
D012906:Smoke; D009538:Nicotine