Body Mechanics: How Exercise Can Save Your Brain

For most readers
, it's probably far too soon to start worrying about "age related memory decline," but a cautious few may want to print this out and leave the printout where it can't be missed a few years down the road. The Washington Post reports that while "experts" have known for a while that people who exercise as they age experience fewer cognitive problems, no one has known exactly why. Now they do. Maybe. Research published in the December issue of the Annals of Neurology suggests that a rise in blood sugar–such as that which occurs naturally with aging– appears to damage the hippocampus, a part of the brain critical to learning and memory. Exercise, it turns out, is an excellent way to stabilize blood glucose levels.
What to do? 
Readers who exercise regularly, Geezer suggests, should try to remember to keep it up. Read more in the Washington Post.