• Glenn Wilson
    55


    Dr. Greger: When you don’t eat enough carbohydrates, you force your body to burn more fat. “However, this rise in fat [burning] is often misconstrued as a greater rate of net [fat mass] reduction [on the body].” But that ignores the fact that on a ketogenic diet your fat intake shoots up as well. The question is what happens to your overall body fat balance. You can’t empty a tub by widening the drain if you’re cranking up the faucet at the same time. Low-carb advocates had a theory, though: the so-called “carbohydrate–insulin model of obesity.”

    Proponents of low-carb diets, whether a ketogenic diet or a more relaxed form of carbohydrate restriction, suggested that the decreased insulin secretion would lead to less fat storage. And so, even if you were eating more fat, less of it would stick to your frame. So, we’d be burning more and storing less, the perfect combination for fat loss—or so the theory went. To their credit, instead of just speculating about it, they decided to put it to the test.

    Gary Taubes formed the Nutrition Science Initiative to sponsor research to validate the carbohydrate–insulin model. He’s the journalist who wrote the controversial 2002 New York Times Magazine piece, “What if It’s All Been a Big Fat Lie?”, which attempted to turn nutrition dogma on its head by arguing in favor of the Atkins diet, with its bunless bacon cheeseburgers based on the carbohydrate–insulin model. (Much of Nina Teicholz’s book The Big Fat Surprise is simply recycled from Taubes’s earlier work).

    More at NutritionFacts: Keto Diet Theory Put to the Test.

    To see the full transcript or links to cited sources go to the link above, then scroll below the video and click on View Transcript or Sources Cited.

    This is the second in a seven-video series on Ketogenic Diets.

    More in the category Health and Medical.

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