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Westchester Medical Center Explores Growing 'Keto Diet' Trend

“The ketogenic [keto] diet is high in fat, low in carbohydrates and moderate in protein – a combination that mimics a state of fasting,” said Lauren Brown-Brandel, clinical dietician at Westchester Medical Center, the flagship of the Westchester Medical Center Health Network. “When the body can’t use carbs for energy, it begins to convert fat into energy instead. The byproducts of this breakdown are called ketones.”

Ketogenic -- or keto -- diets are being adapted from their initial treatment for epileptic patients to those simply seeking to lose weight. Is the diet safe for general use? Westchester Medical Center explores its pros and cons.

Ketogenic -- or keto -- diets are being adapted from their initial treatment for epileptic patients to those simply seeking to lose weight. Is the diet safe for general use? Westchester Medical Center explores its pros and cons.

Photo Credit: Westchester Medical Center

Traditionally used to treat epilepsy, the keto diet is now a popular weight-loss method, following the low-carb craze popularized by the Atkins diet. Unlike Atkins, which doesn’t limit calories and touted an “all-you-can-eat” protein philosophy, the keto diet fixes a ratio of 70-75 percent of calories from fat, 15-20 percent from protein and 5-10 percent from carbs. “Keto diet advocates claim this regimen will rapidly increase fat loss, help promote weight loss and prevent disease,” said Brown-Brandel.

“Studies of patients on a ketogenic diet do show rapid weight loss,” says Brown-Brandel, “however, these results diminish over time and give the keto diet little advantage over the traditional approach to weight loss: reducing fat and calories.” The keto diet also restricts nutritious foods, like whole grains and milk, and encourages an overload of saturated fats, such as bacon and butter. If ketone levels rise too high, the risks of this diet increase, which can include dehydration and changes in your body’s chemical balance.

The body’s adjustment period to this diet — as it learns to burn fat for energy — is known as keto flu. Symptoms include fatigue, dizziness, nausea, headache, irritability, difficulty sleeping and stomach pains. “Typically, these symptoms subside after a week,” said Brown-Brandel. Type 1 diabetics and those with liver or kidney disease are advised to avoid this diet. But in all cases, she said, “seek advice from your doctor and dietician, and get routine follow-ups and blood work after starting.”

Do you have a health-related question for a WMCHealth physician or specialist? Email your questions to editorial@advancingcare.com, with “Just the Facts” in the subject heading. Your question may be featured in a future issue.

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