Why they used to put lead in wine

In the early nineties of the seventeenth century, the German city of Ulm and its surroundings were struck by an unusual epidemic

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Ways to remove tartar. Safe methods.

Almost everyone is familiar with dental diseases, such as periodontal disease. Today let’s talk about tartar, which causes just as many problems. Plaque forms on the surface of the tooth enamel because of poor brushing

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