School health education.
D000329:Advertising; D001294:Attitude to Health; D001519:Behavior; D003657:Decision Making; D006266:Health Education; D006293:Health Promotion; D006801:Humans; D009042:Motivation; D052756:Nutritional Sciences / Q000193:education; D010379:Peer Group; D012054:Reinforcement, Psychology; D012572:School Health Services