New Haven Register (New Haven, CT)

Weighing pros, cons of keto

- Dr. Mehmet Oz and Dr. Michael Roizen

In 2018, the ketogenic diet was hugely popular and being touted by celebritie­s as diverse as the Lakers’ 6-foot-9-inch LeBron James and 5-foot-1-inch singer/ actress Vanessa Hudgens. But in 2020, a Food and Health Survey of Americans found that intermitte­nt fasting was ranked ahead of keto as Americans’ favorite dietary pattern. That’s good, because a new study in Frontiers in Nutrition looked at the virtues vs. the vices of a keto diet and concluded that in some circumstan­ces the vices can be greater than the benefits.

A ketogenic diet is very low in carbohydra­tes, modest in protein, and high in fat.

The benefits (short-term, it turns out) include weight loss, although often folks lose more water and muscle tissue than fat; blood sugar control — that fades; and a reduction in seizures for people with epilepsy.

The potential risks? Initially you may get the “keto flu,” with headache, fatigue, gastrointe­stinal discomfort and heartbeat alteration­s. Then, if your keto diet means that you’re loading up on saturated fats and red and processed meats, eliminatin­g complex carbs and not taking a daily vitamin-mineral supplement, you’ll boost your lousy LDL cholestero­l and up your risk for chronic kidney disease, cardiovasc­ular disease, cancer, diabetes and Alzheimer’s disease. Also, the lack of fiber damages your gut biome and, longer term, you can experience decreased bone mineral density, anemia and neuropathy of the optic nerve.

So, what’s the smart approach? Dr. Mike’s book “What to Eat When” gives you a guide to healthy intermitte­nt fasting and keto done right. Check it out.

Mehmet Oz, M.D. is host of “The Dr. Oz Show,” and Mike Roizen, M.D. is Chief Wellness Officer and Chair of Wellness Institute at Cleveland Clinic. To live your healthiest, tune into “The Dr. Oz Show” or visit www.sharecare. com.

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