sed -- namely amalgam, the silver-colored fillings -- contain mercury, a toxin that is linked with neurological disorders such as Alzheimer's disease, Parkinson's disease and autism. (4)Sources for this article include:(1) <a href="http://www.theguardian.com(2)">http://www.theguardian.com(2)</a> http://www.huffingtonpost.co.uk(3) <a href="http://www.washingtonpost.com(4)">http://www.washingtonpost.com(4)</a> http://www.naturalnews.comhttp://science.naturalnews.comAbout the author:A scie