Some factors affecting the smoking habits of a group of teenagers.
D000293:Adolescent; D001294:Attitude to Health; D001991:Bronchitis / Q000209:etiology; D003327:Coronary Disease / Q000209:etiology; D005260:Female; D006306:Health Surveys; D006801:Humans; D006973:Hypertension / Q000209:etiology; D008175:Lung Neoplasms / Q000209:etiology; D008297:Male; D009042:Motivation; D012606:Scotland; D012737:Sex Factors; D012907:Smoking