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To: Maurice Winn who wrote (61014)	3/14/2005 9:46:14 PM
From: Gib Bogle	Read Replies (1) \| Respond to of 74559

"Copper too, surely isn't a toxin?" Copper sure is a toxin. Hence CuSO4 sprays for insects. I doubt that much gets through the skin from copper bracelets. It seems we need trace amounts of various metals, but most are toxic in excess. portfolio.mvm.ed.ac.uk (see the "Others" link near the bottom of the page for info on Cu) I'm not well-informed on this matter, I just take advice from people who seem to know what they're talking about (marine biologist types). Gib