“In 2001 Science featured an article, “The Soft Science of Dietary Fat,” that argued a low-fat diet is not necessarily healthful and that the public had been misled about the relative merits of fat and starch.16 A few years ago Scientific American declared: “It’s time to end the war on salt: the zealous drive by politicians to limit our salt intake has little basis in science.”17 About the same time the Department of Agriculture tossed out its iconic food pyramid for a food plate and juggled several of its recommendations.18 Recently the USDA was reported to be poised to recommend that Americans eat less meat—not because it’s better for individuals, but because it may be better for the environment, which indirectly could affect our health too.19”