Youthfulness an American obsession - at what cost?
(AP
<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/ap/20081207/ap_on_he_me/staying_young"><img src="http://d.yimg.com/us.yimg.com/p/ap/20081206/capt.03f9c84673b3464cbf5428f3c5144e2d.staying_young_ny333.jpg?x=82y=130q=85sig=qpFXuYQanpzxaH9DDdGMNA--" align="left" height="130" width="82" alt="In this undated photo released by Cenegenics Medical Institute on Oct. 8, 2008, is Dr. Jeffry Life when he was 67, after being on the Cenegenics program for about two years. Life, the chief medical officer at Cenegenics, will be 70 this Christmas day. (AP Photo/Cenegenics Medical Institute)" border="0" /></a>AP - It's one of those photos that make you do a double-take. Dr. Jeffry Life stands in jeans, his shirt off. His face is that of a distinguished-looking grandpa; his head is balding, and what hair there is is white. But his 69-year-old body looks like it belongs to a muscle-bound 30-year-old.</p><br clear="all"/>

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