New Research Says Exercise Can Slow The Aging Process

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By KSFY Staff

Story Created: Nov 30, 2009 at 4:46 PM CST

Story Updated: Nov 30, 2009 at 5:30 PM CST

A new report out Monday says the key to staying young involves you getting up off the couch and doing something.

Americans spend billions each year on face creams, nutritional supplements, and even plastic surgery in the quest for eternal youth. But the most effective technique to keep your body young may be vigorous exercise. Researchers from Germany first noticed that mice trained to run on a wheel had biological changes that led to healthier cells. So the scientists decided to compare cells from professional track and field athletes to cells from healthy adults who were not physically active. Both groups had the same chronological age, but the cells from the athletes were biologically younger. They had longer telomeres - which are protective caps on the end of DNA strands. As we age, the caps get shorter and leave the DNA vulnerable to damage. The results suggest that regular exercise helps maintain the caps as we age. Previous research on telomere length in twins has found that exercise makes cells on average nine years younger - and the more active you are, the greater the benefit.

2009 KSFY Action News. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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