Older people who load up their plates with carbohydrates have nearly four times the risk of developing mild cognitive impairment, a study out Tuesday finds. Sugars also played a role in the development of MCI, often a precursor to Alzheimer's disease, according to the report in the Journal of Alzheimer's Disease. Eating more proteins and fats offer some protection from MCI…Not everyone with MCI goes on to develop Alzheimer's disease, but many do, says lead author Rosebud Roberts, a professor in the department of epidemiology at the Mayo Clinic in Rochester, Minn.

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USA Today by Janice Lloyd

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