title: Some conclusions from and answers to our chemical 'cop-out' and social 'drop-out' problem.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D003469:Culture; D006266:Health Education; D006801:Humans; D012924:Social Conditions; D019966:Substance-Related Disorders / Q000517:prevention & control*; D014481:United States