If your doctor had a crystal ball that could predict whether you’d become senile in old age, would you want to know?... 2. Excess calorie consumption. Results from the Mayo Clinic Study of Aging compared the calorie consumption of more than 1,000 healthy volunteers ages 70 to 89 with no memory loss and found that it was, on average, much lower than that of 163 age-matched patients with mild cognitive impairment. Consuming more than 2,150 calories a day doubled the odds of having some memory loss.
Boston Globe, by Deborah Kotz, 02/16/2012