title: Defining "light" and "heavy" social drinking; research implications and hypotheses.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000428:Alcohol Drinking; D000434:Alcoholic Beverages; D000437:Alcoholism; D001835:Body Weight; D006801:Humans; D008297:Male; D008875:Middle Aged; D012107:Research Design; D012919:Social Behavior; D012925:Social Conformity; D012931:Social Environment; D013997:Time Factors