Epidemiology: use and utility in the process.
D004032:Diet; D004812:Epidemiologic Methods; D005502:Food / Q000592:standards*; D005503:Food Additives / Q000009:adverse effects; D005517:Foodborne Diseases / Q000453:epidemiology* / Q000266:history; D049671:History, 18th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D008954:Models, Biological; D012107:Research Design; D012306:Risk; D012449:Safety
D005503:Food Additives