Please do not use " copper metal " pipes, bombs, or any copper parapherenalia, inhaleing "copper metal" could make you very seek, please comunicate this to your people, good luck and be well
I heard of that about aluminum cans and I also believe they are linking the Teflon no stick coating on pans. I have heard of those two being a possible Alzheimer trigger. I am no scientist but I read a lot of health articles and those two stick out.