For Carole Carson, the golden years weren't so shiny when it came to her mental clarity.
"I was sort of a retired lump on a log," said 67-year-old Carson, referring to herself seven years ago.
But after going on a restricted calorie diet, along with an exercise regime, Carson, who lives in Nevada City, Calif., lost about 50 pounds. Her life -- and her mind -- perked up again.
"Every kind of mental function improved," Carson said.
Many people who have cut calories experience the "mental...Full Story