"Exercise doesn't make you smarter, but what it does do is optimize the brain for learning"
Exercise for Thirty Minutes a Day
Regular exercise is essential if you're looking to preserve your mental acuity. Aerobic exercise helps get the blood coursing through your system, carrying oxygen and glucose to your brain - two substances the brain needs in order to function. Regular exercise can also prod the brain into producing more molecules that help protect and produce the brain's neurons. Though studies are still underway to establish the link between exercise and increased brain neurons, many researchers - including those involved with Alzheimer's disease research - are studying the protective effects of regular physical exercise on the brain's neural paths for transmitting signals.
The US federal guidelines for exercise say that getting at least thirty minutes a day most days a week will help prevent heart disease, osteoporosis diabetes, obesity, and now, perhaps, Alzheimer's. If you do nothing else, a brisk thirty minute walk every day will do wonders for your brain health.
It Also Keeps your Brain Young !
As you get older, exercise becomes even better for your overall brain health. Neuroscientists have shown that in aging populations (usually those over age 65) sustained, moderate exercise participation enhances learning and memory, improves the function of the neocortex, counteracts age-related atrophy in brain areas crucial for thinking and learning. Exercise has been cited by several researchers as being the number one factor in sustaining brain health and the ability to make new neurons in an aging brain.
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