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[VIDEO] How Big Government Backed Bad Science Made Americans Fat 

Q&A with journalist Nina Teicholz

Consumption of meat, butter, eggs, and cheese were once encouraged as part of a healthy diet. Then in the 1950s, a Minnesota doctor named Ancel Keys put forth his diet-heart hypothesis, claiming that saturated fats raise cholesterol levels and cause heart attacks.

Keys produced landmark studies of the relationship between diet and heart disease that transformed nutrition science. He became a powerful figure in the science community. Contemporaries who publicly questioned the validity of his findings risked losing their research funding or becoming pariahs. When the U.S. adopted dietary guidelines in 1980, Keys’ recommendations became enshrined in national food policy.

“We have made our policy based upon this weak kind of science called epidemiology which shows association, but not causation,” Teicholz explains. “We have the situation where we just cannot reverse out of these policies that were originally based on really weak science.”

Keys’ flawed research is one reason Americans have been getting fatter and unhealthier for decades. Despite major advances in treatment, heart disease is still the leading cause of death for men and women … (read more)

Source: reason.com

Produced by Alexis Garcia. Camera by Jim Epstein.

Click here for full text and downloadable versions.

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