Neural Aging Walks Tall: Aerobic activity fuels elderly brains, minds

Seniors interested in pumping up their brains and maintaining an attentive edge might consider taking this inexpensive prescription: Go for a walk every 2 or 3 days. Don’t sweat it, but make an effort. Limit each walk to between 10 and 45 minutes.

That’s the conclusion, at any rate, of two new studies that demonstrate for the first time in people that physical fitness, whether achieved on one’s own or through a brief aerobic-training course, induces brain changes associated with improved performance on an attention-taxing task.