Laboratory rats and mice live up to 40 percent longer than usual when fed a diet of at least 30 percent fewer calories than that which they would normally eat, but that otherwise contains all necessary vitamins and nutrients.
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Aof at least 30 percent fewer calories than that which they would normally eat, but that otherwise
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Bwith at least 30 percent fewer calories than what they would normally eat though otherwise it
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Cthat has at least 30 percent fewer of the calories than they would normally eat, but otherwise it
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Dthat has at least 30 percent fewer calories than they would normally eat but that otherwise
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Ethat has at least 30 percent fewer calories than that which they would normally eat, though that otherwise
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