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...Public health nutrition a doi phn macronutrients as sources of food energy andrew m prentice mrcinternational group london school hygiene and tropical medicine keppel street wceht ukandmrckeneba thegambia abstract this background paper considers the extent to which development new recommendations for dietary requirements needs account macronutrient fat carbohydrate protein alcohol proles different diets issues are discussed from dual perspectives avoiding under keywords obesity it is shown that in practice human metabolic processes can adapt wide range fuel supply by altering selection concluded at level only with most extreme composition would have any consequences exceeding natural ability modify however density profound implications innate appetite regulation hence overall consumption introduction will be set according aminoacid requirementsandthere no need consider s contribution setting these gures therefore main four principal classes providing discussion centre on carbohydrates ...