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Dr. Oz: Ketogenic diet prevents Alzheimer's and Diane Keaton's bulimia

Dr. Oz: Low-carb ketogenic diet curbs Alzheimer's and Diane Keaton's bulimia
Screengrab from Fox TV

Dr. Mehmet Oz discussed Diane Keaton's bulimia and whether a low-carb gluten-free ketogenic diet can prevent dementia and Alzheimer's disease on the July 30 episode of the Dr. Oz Show.

While Keaton has always exuded a carefree persona, she secretly began struggling with the eating disorder bulimia at age 22 after a producer told to lose 10 pounds.

The Oscar winner battled bulimia for four harrowing years, binge-eating and purging daily. Keaton said she used to eat 20,000 calories a day at the height of her bulimia. Looking back, Diane admits she was a compulsive addict who used food to cope with her depression.

Diane Discusses Getting Older and Plastic Surgery

Keaton decided on her own to stop binge-eating and purging and to this day can't remember exactly what triggered her decision. But she hasn't relapsed with her eating disorder and is doing well now.

Keaton, 68, said she's annoyed with her thinning hair but has never had plastic surgery. But she said she admires women like Joan Rivers who are open about their cosmetic surgeries.

Diane confessed that aging is difficult, but she embraces the process. "I never understood the idea that you're supposed to mellow as you get older," she said. "Slowing down isn't something I relate to at all. The best part is that I'm still here. And because the end is in sight, I treasure life all the more."

Neurologist: Low-Carb, Gluten-Free Ketogenic Diet Curbs Alzheimer's

On a separate segment, Dr. Oz's guest was neurologist Dr. David Perlmutter, who said gluten is unhealthy and causes dementia and Alzheimer’s disease. Gluten is a protein found in foods processed from wheat and other grains. It's what gives pizza dough its chewy texture.

Even if you don't have a gluten allergy or sensitivity, Perlmutter said you should avoid gluten because it causes weight gain, diabetes and dementia.

According to Perlmutter, a high-carb, grain-heavy diet literally causes brain damage. "Carbs are devastating for the brain," said Perlmutter, author of Grain Brain. "The brain thrives on a fat-rich, low-carb diet."

Perlmutter, who himself follows the low-carb, high-fat ketogenic diet, said drastically reducing carbs promotes weight loss and prevents or even reverse Alzheimer's, Parkinson's, and ADHD.

Perlmutter, whose father suffers from Alzheimer's, said gluten is also a major cause of inflammation, which leads to heart disease, diabetes, and cancer. Perlmutter said his patients who had suffered severe muscle spasms experienced dramatic relief after following a ow-carb, gluten-free diet. He said eliminating gluten also relieves chronic indigestion and migraines.

Perlmutter said eating more healthy fats and reducing carbs protects your brain and your overall health. Dr. Perlmutter recommends a low-carb diet — limiting carbs to no more than 80 grams a day — and eating lots of dietary fats, such as extra-virgin olive oil, avocado, grass-fed butter, wild fish, grass-fed beef, coconut oil, and nuts.

Perlmutter joins a growing number of health experts who are debunking the myth that unprocessed saturated fat is unhealthy.

Obesity expert Jimmy Moore, author of "Keto Clarity," said the low-carb, high-fat ketogenic diet aids weight loss and starves cancer. Moore, who once tipped the scales at 410 pounds, lost 180 pounds on a ketogenic diet and dramatically improved his health.

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