Tags: high-carb | diet | old | age | linked | mental | decline

Study: High-Carbs Harm Brain

Friday, 19 Oct 2012 01:22 PM


A high-carb diet could be a link to developing Alzheimer's, according to a new study which found that seniors who eat diets high in carbohydrates and sugar increase their risk for mild cognitive impairment.
Mild cognitive impairment — which includes problems with memory, language, thinking and judgment — may be an early sign of Alzheimer's disease.
The study included 940 people, aged 70 to 89, who had no cognitive problems at the start of the trial and who provided information about their eating habits. Within four years, 200 of the participants were beginning to show mild cognitive impairment, the researchers from the Mayo Clinic in Rochester, Minn., said.
Those who reported the highest carbohydrate intake were 1.9 times more likely to develop mild cognitive impairment than those with the lowest carbohydrate intake. Those with the highest sugar intake were 1.5 times more likely to develop mild cognitive impairment than those with the lowest intake.
Those whose diets had the highest levels of fat and protein were 42 percent and 21 percent less likely, respectively, to develop mild cognitive impairment than those with the lowest intake of fat and protein.
Overall, when total fat and protein consumption was considered, the risk of developing mild cognitive impairment was 3.6 times greater for people with the highest carbohydrate intake, according to the study, published in the Journal of Alzheimer's Disease and funded by the U.S. National Institute on Aging.
"A high carbohydrate intake could be bad for you because carbohydrates impact your glucose and insulin metabolism," study author and epidemiologist Rosebud Roberts said in a Mayo news release.
"Sugar fuels the brain — so moderate intake is good. However, high levels of sugar may actually prevent the brain from using the sugar — similar to what we see with Type 2 diabetes," said Roberts.
She noted the findings highlight the importance of a well-balanced diet.
"We think it's important that you eat a healthy balance of protein, carbohydrates and fat, because each of these nutrients has an important role in the body," Roberts said.
Even though the study linked sugar-filled, high-carb diets with mental decline, it didn't not prove a cause-and-effect relationship.



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A high-carb diet could be a link to developing Alzheimer's, according to a new study which found that seniors who eat diets high in carbohydrates and sugar increase their risk for mild cognitive impairment.
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Friday, 19 Oct 2012 01:22 PM
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