Friday, February 27, 2009

1963: Carbs make you Fat 

Anyone that knows me, understands that I value ancient wisdom. Old wives tales and even superstitions arise from a logical background. In Mother Earth News I found an article that says:
“Every woman knows that carbohydrates are fattening.” In fact, that’s from a 1963 article in the British Journal of Nutrition, co-authored by one of the leading nutritionists of the era. And for the previous 100 years or so, this was the conventional wisdom: carbohydrate-rich foods such as bread, potatoes, pasta, rice, sweets and beer make us fat, and, by implication, foods rich in fat and protein do not.

...Carbohydrates, not fat, are the cause of excess weight, just as our grandparents’ generation always knew. Eating carbohydrates triggers a hormonal response — insulin secretion — that signals our bodies to accumulate fat. This is why the fewer carbohydrates we consume, the leaner we will be. Sugar, flour and other refined carbohydrates produce an exaggerated version of this response, and so are particularly fattening.

...Dietary fat, whether saturated or not, is not a cause of heart disease. Rather the same foods that make us fat — easily-digestible carbohydrates and sugars — will eventually cause the diseases that are likely to kill us: heart disease, diabetes and even most cancers. As the late Tim Russert’s physician explained in The New York Times shortly after Russert’s death, “if there’s one number that’s a predictor of mortality, it’s waist circumference.” Because carbohydrate-rich foods increase our waist circumference, then it must be these same foods that shorten our lives.
The article goes on to explain why and how we started to believe that fat was the culprit. But, as so often happens, old knowledge wins. The Atkins diet, although not great in the long term, really works. Eat lots of fatty beef, and no carbs, and you will lose weight (and gain some bonus bad breath).

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