Health Beat: Grain brain may be killing us
Updated On: Aug 22 2014 05:21:43 PM CDT
More than five million Americans are living with Alzheimer's. A recent study found costs for dementia care in 2010 were as high as $200 billion, roughly twice what's expended for heart disease and almost triple what was spent on treating cancer.
Now, one doctor says we can prevent Alzheimer's altogether by changing our diets.
"Your key to weight loss is to eat more fat. Eat fat, get thin!" said Dr. David Perlmutter, board certified neurologist and author of the book, "Grain Brain."
Perlmutter said Americans should also be eating very few carbs, just 60 to 80 grams a day.
"For more than 99 percent of our time on this planet, we were on a high far, low carb, virtually gluten-free diet," Perlmutter said.
Perlmutter said carbs cause a blood sugar spike. A recent study showed even small increases in blood sugar up the risk of dementia, and type-two diabetics have doubled the risk of Alzheimer's.
Another study found the risk of dementia was 42 percent lower in those who consumed a higher fat, lower carb diet.
"We should prevent the disease because we know how to do that right now, and it's not going to cost anything," Perlmutter said.
Perlmutter has vocal critics who say some people may interpret Grain Brain as giving consumers the go-ahead to load up on high-fat meats and dairy.
Perlmutter points to a recent study of more than 350,000 people that found no link between saturated fat and cardiovascular risk.
"That's the information that people have been receiving for decades, and it has absolutely no scientific merit," Perlmutter said.
The bottom line for Perlmutter is that history proves grains aren't meant for our brains.
"This is a totally foreign diet for humans. We’ve never had carbohydrates like this in our diet," he said.
Perlmutter said to load up on nuts, veggies, olive oil, eggs, wild fish, free-range chicken, grass-fed beef, avocados and some dairy, but to choose whole milk. He said to stay away from trans fats, sugars, processed foods and carbs. Consume fruits sparingly and eliminate gluten.
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