title: Problems of non-medical drug use.
mesh_terms: D003466:Cultural Characteristics; D004335:Drug and Narcotic Control; D006266:Health Education; D006801:Humans; D007880:Legislation, Drug; D011634:Public Health; D012106:Research; D012924:Social Conditions; D012959:Socioeconomic Factors; D013315:Stress, Psychological; D019966:Substance-Related Disorders / Q000517:prevention & control; D014944:World Health Organization