|  |  | August 11, 2009  High tech imaging has been used to show that older people who have exercised regularly have more blood vessels and increased blood flow through the brain. This leads to the conclusion that exercise may reduce aging and increase your ability to keep your faculties later in life.
Many scientific studies have provided evidence that exercise contributes to improving the aging process. One in particular, led by Dr. Keith Smith MD, PhD, associate professor of radiology, University of North Carolina School of Medicine, compared two groups of people between the ages of 60 and 76. The active group had been exercising for at least three hours a week for the past ten years. This is aerobic exercise liking walking, biking, swimming, dance, anything that keeps your heart rate up. The inactive group reported less that an hour exercise weekly.
Dr. Smith and his team used MRI and MR angiography to essentially photograph the brain's vasculature and then used their own state of the art computer software to reconstruct a 3-D image. Upon comparing the brains, they found that the active group had additional smaller blood vessels and a more predictable blood flow. Feraz Rahman, a medical student on Dr. Smith's team said, "Other studies have shown that exercise prevents cognitive decline in...
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