Regular exercise has anti-aging properties

Subject:	Regular exercise has anti-aging properties
Date:	04 Jan 2010 18:29:37 GMT

Regular exercise has anti-aging properties
Mon, 04 Jan 2010 16:17:55 GMT

Long-term physical activity can protect individuals against
the aging process by stabilizing telomeres at the cellular
level, a new study finds.

Telomeres, short sections of DNA at the end of the
chromosomes, shorten each time the cell divides, making
cells more susceptible to death. These caps which play a
critical role in stabilizing DNA are believed to shorten
with age.

According to the study published in Circulation, telomeres
shorten less quickly in the key immune cells of professional
athletes.

Regular physical exercise activates the function of an
enzyme known as telomerase - which helps stabilize
telomeres, lowering the telomere shortening in leukocytes.

The strongest effect was reported among professional
athletes who are used to endurance training.

"Our data improves the molecular understanding of the
protective effects of exercise and underlines the potency of
physical training in reducing the impact of age-related
disease," concluded lead researcher Ulrich Laufs.

PKH/HGH
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http://www.presstv.ir/detail.aspx?id=115339§ionid=3510210
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