Lead linked to aging in older brains
(AP)
<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/ap/20080127/ap_on_he_me/aging_brain"><img src="http://d.yimg.com/us.yimg.com/p/ap/20080127/capt.0c426cf5fe5e46808bd033f0bebd110b.aging_brains_ny351.jpg?x=130&y=86&q=85&sig=xWTfr4dlCC8oiHDXMMkhiA--" align="left" height="86" width="130" alt="Andrew Todd, PhD, who works in the Department of Community and Preventive Medicine at Mount Sinai Medical Center in New York, examines results from the bone lead measurement system on Tuesday, Nov. 13, 2007. The system measures lifetime exposure to lead, which could, in part, account for decreased cognitive function among senior citizens. (AP Photo/John Smock)" border="0" /></a>AP - Could it be that the "natural" mental decline that afflicts many older people is related to how much lead they absorbed decades before?</p><br clear="all"/>

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