(DAILYMAIL) — Overeating could more than double the risk of memory loss among elderly people, a study has found.
Researchers discovered that those who consumed more than 2,100 calories a day were far more likely to have 'mild cognitive impairment' than those who ate less.
The findings suggest that keeping to a low-calorie diet in old age could keep the mind sharp – and may even prevent the onset of Alzheimer's disease.
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Scientists in the U.S. looked at the eating and drinking habits of 1,200 people aged 70 to 89 who did not have dementia, and gave them memory tests.