With the increasing popularity of copper flashlights today I thought this study relevant.
http://m.pnas.org/content/early/2013/08/14/1302212110.abstract
http://m.pnas.org/content/early/2013/08/14/1302212110.abstract
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Wonder how many of teeth out there have Amalgam fillings
Many studies on the safety of amalgam fillings have been done. In 2009, the U.S. Food and Drug Administration (FDA) evaluated this research. It found no reason to limit the use of amalgam. The FDA concluded that amalgam fillings are safe for adults and children ages 6 and above.
I'll stick with lead, sew fahr know praublems hear.
In the 50s cooking pots were frequently cast of aluminum only to find they too can trigger alzheimers. I have stuck to cast iron or stainless.