Carbs against Cardio: More Evidence that Refined Carbohydrates, not Fats, Threaten the Heart: Scientific American

via www.scientificamerican.com

More evidence that carbohydrates are the culprit in the obesity and heart disease epidemics.

It's not simply that reducing fat and increasing carbohydrates doesn't help, it actually has a negative effect.

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Eat less saturated fat: that has been the take-home message from the U.S. government for the past 30 years. But while Americans have dutifully reduced the percentage of daily calories from saturated fat since 1970, the obesity rate during that time has more than doubled, diabetes has tripled, and heart disease is still the country’s biggest killer. Now a spate of new research, including a meta-analysis of nearly two dozen studies, suggests a reason why: investigators may have picked the wrong culprit. Processed carbohydrates, which many Americans eat today in place of fat, may increase the risk of obesity, diabetes and heart disease more than fat does—a finding that has serious implications for new dietary guidelines expected this year.