The Romans fitted the aquaducts with lead pipes, their cooking ware and bathtubs with lead films, and made wine more sweet when it was too bitter with lead. The term "plumbing" comes from the Latin word for lead, "plumbum". The Romans knew lead was toxic but kept using it because it was cheap and the indispensable lives of the slaves mining it didn't matter. It's speculated that it was part of the decline of Rome. Lead mimics metals like zinc which the body needs and accumulates. It kills cells ...
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