Is exercise the fountain of youth?

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	Is exercise the fountain of youth?

Pooge

1-28-2008 10:45 PM

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tags:

exercise, dna, aging, youth, studies

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/e54bc23a-4246-4466-8033-0e27c7f02142/13047C92-99B6-4755-B08D-D675109E0B5B/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui" href="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui" style="font-size: 11px;">www.boomj.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui"><H1 class="article_title">Fitness Buffs Appear to Have `Younger' DNA</H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui">As if gray hair, brittle bones and wrinkles weren't bad enough, scientists say that as you age the very DNA in your trillions of cells starts to fray, unravel and disintegrate.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui"> A study published Monday hints that fitness buffs appear to have "younger" DNA than the chronically sedentary. </blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui">the old chicken-and-egg question _ does exercise preserve healthier DNA, or does healthier DNA enable people to exercise more? _ has yet to be answered.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui"><P> The study's authors examined just the ends of DNA strands. Called telomeres, these act something like the plastic caps on shoelaces, preventing the DNA in chromosomes from unraveling. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui"><P> Previous research has shown that older people have shorter ends than younger folks. Indeed, biologists say they shrink every time a cell divides.  </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui">Lynn Cherkas</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui">studied twins.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui">the exercising twin had longer telomeres than his or her more sedentary counterpart.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui">Cherkas said she's tracking the same twins </blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.boomj.com/?page=health/newsdetail&storyID=114039080&password=fgjqui">over a period of 10 years.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/13047C92-99B6-4755-B08D-D675109E0B5B/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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