In Defense of Food: An Eater's Manifesto Questions and Answers
by Michael Pollan

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Pollan provides evidence that Americans did not reduce their total consumption of fat following the release of the dietary guidelines in 1977. What to specific things actually happened to American diet?

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The answer to this question can be found in Chapter 5, "The Melting of the Lipid Hypothesis," and Chapter 6, "Eat Right, Get Fatter," of In Defense of Food: An Eater's Manifesto by Michael Pollan. According to Pollan, the lipid hypothesis was "the idea that dietary fat is responsible for chronic disease." This idea became popular back in the 1970s but has since been basically disproven.

Scientists were convinced by the 1970s that consumption of fat and dietary cholesterol was responsible for rising rates of heart disease in Americans. In 1976 the Senate Select Committee on Nutrition and Human Needs, led by Senator George McGovern of South Dakota, issued a document called Dietary...

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