Possible Alzheimer's fingerprint found
(AP)


<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/ap/20061213/ap_on_he_me/alzheimer_s_spinal_fluid"><img src="http://d.yimg.com/us.yimg.com/p/rids/20061212/i/r3925906668.jpg?x=130&y=66&sig=9jn0kc9xgL7tKXdhTzD1iA--" align="left" height="66" width="130" alt="A split-view image showing PET scans of a normal brain (L) and a brain with Alzheimer's disease. REUTERS/National Institute on Aging/Handout" border="0" /></a>AP - Scientists appear to have found a fingerprint of Alzheimer's disease lurking in patients' spinal fluid, a step toward a long-awaited test for the memory-robbing disease that today can be diagnosed definitively only at autopsy.</p><br clear="all"/>