title: The critical age that the young start the devastating habits of smoking and narcotics.
authors.forename: M
authors.initials: M
authors.lastname: Koraka
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D000367:Age Factors; D005260:Female; D006115:Greece; D006184:Habits; D015438:Health Behavior; D006266:Health Education; D006801:Humans; D008297:Male; D009294:Narcotics; D012309:Risk-Taking; D012907:Smoking / Q000639:trends*; D019966:Substance-Related Disorders / Q000209:etiology*
chemical_list: D009294:Narcotics