It Your brain is like a muscle. Either you put it to good use, or it will lose its power. That's the growing conclusion of research that shows fogged memory and slowed wit are not inevitable results of getting old, and that brains can be kept healthy and strong well into old age.
Scientists say it's never too late or too early to stimulate the brain.
While mental exercise is crucial, so is the physical form. Bad memory is linked to heart disease, diabetes, and a high-fat diet, all risks one can defy with proper diet and exercise. New research suggests these steps may be strong enough to affect who gets Alzheimer's disease. Read, read, and read some more. Do crossword puzzles.