[Guest editorial: The diseases of choice are in our hands].
D000293:Adolescent; D000328:Adult; D002170:Canada; D002648:Child; D002755:Choice Behavior; D003657:Decision Making; D006266:Health Education; D006801:Humans; D008019:Life Style; D008297:Male; D009017:Morbidity; D011315:Preventive Medicine