2 Americans win Nobel Prize in medicine
(AP)


<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/ap/20061002/ap_on_sc/nobel_medicine"><img src="http://d.yimg.com/us.yimg.com/p/ap/20061002/capt.780704520c5444bda89cfecf6e359fc6.nobel_medicine_caps101.jpg?x=87&y=130&sig=CXNeutBuQi7eWMLE5Q1Sxg--" align="left" height="130" width="87" alt="This is an undated photo provided by Stanford University of Andrew Z. Fireo. Fire and Craig C. Mello won the Nobel Prize in physiology or medicine Monday, Sept. 2, 2006 for discovering a way to turn off the effect of specific genes. (AP Photo/Stanford University)" border="0" /></a>AP - Americans Andrew Z. Fire and Craig C. Mello won the Nobel Prize in medicine Monday for discovering a powerful way to turn off the effect of specific genes, opening a potential new avenue for fighting diseases as diverse as cancer and AIDS.</p><br clear="all"/>