mardi 3 octobre 2017
Why This Doctor Recommends Keto (With a Catch)
Would clinical nutritionist Dr. Josh Axe, DNM, DC, CNC, recommend the keto diet? "Absolutely," he told POPSUGAR. But there is a catch. You can't do it forever.
A brief refresher, if you don't already know: the keto diet is a high-fat, moderate-protein, low-carb diet in which you switch your body's primary energy source from carbohydrates to fat (i.e., from glucose to ketones). Up to 80 percent of your calories come from fat - we're not kidding when we say high-fat! That's what differentiates this diet from something like Paleo or Atkins - they're both low-carb, but with keto, the emphasis is on the fats.
"I don't think somebody should be on a full ketogenic diet for more than three months," he said. "What I teach is not that everybody should be on a ketogenic diet - the basis of what I teach is traditional Chinese medicine, or TCM - but if somebody has the goal of overcoming epilepsy, fighting cancer, overcoming blood sugar issues like diabetes, losing weight, or even some hormonal issues, the ketogenic diet is a great temporary diet."
"Everybody is different; depending on somebody's genetics, depending on somebody's health goals or struggles, certain people should be on certain diets," said Dr. Axe. For the patients he believes need the keto diet for what he calls "a breakthrough" in their health, he likes to limit it to three months.
"The ketogenic diet is a great temporary diet."
"When I put my patients on it, it has been for a maximum of three months. I know some people who have been on [the keto diet] and have done it for a year and done well with it. But I don't think people should be on a ketogenic diet fully for more than a year - absolutely not for more than a year."
His reasoning for this is rooted in human history and the biology of our ancestors. As Dr. Axe is a clinical nutritionist with methodology rooted in TCM, this totally makes sense. "If you look at the way our ancestors lived and ate, they would've been what I would call 'keto cycling' - going in and out of ketosis. Our ancestors - they weren't purely ketogenic, and we shouldn't be either. To be completely healthy and to fuel certain systems, going into ketosis can be healthy, but we do need carbohydrates in order for our systems to function."
Dr. Axe cited a handful of small but notable studies with really powerful results from the ketogenic diet, including one on 11 women with polycystic ovarian syndrome (PCOS), two of whom had struggled with infertility due to the disease and both of whom became pregnant after going on the keto diet for 24 weeks. Though the studies have been on smaller groups, they show a strong promise for the diet's efficacy for certain health conditions.
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