Stem cells might cause brain tumors, study finds
(Reut


<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/nm/20061022/hl_nm/stemcells_dc"><img src="http://d.yimg.com/us.yimg.com/p/rids/20061016/i/r2337664561.jpg?x=130&y=97&sig=0ZZl90EbYVXBNbRqOCxxIQ--" align="left" height="97" width="130" alt="Lou Gehrig stands in a Yankees uniform in a 1938 photo. Human fetal stem cells can graft onto the spines of rats and delay some of the paralyzing symptoms of motor neuron disease, commonly known as Lou Gehrig's disease, U.S. researchers reported on Monday. REUTERS/National Baseball Hall of Fame/Handout" border="0" /></a>Reuters - Injecting human embryonic stem cells
into the brains of Parkinson's disease patients may cause
tumors to form, U.S. researchers reported on Sunday.</p><br clear="all"/>