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Don’t underestimate the value of salt The ancients used it as currency and we know today that without salt, we would die. For centuries humans have built communities either around sources of salt or where they could trade for it. In fact, did you know the word ‘salary’ comes from the Latin word for salt? It’s true. Roman legions were sometimes paid in salt and the Greeks would often use salt to pay for slaves. Salt, or sodium chloride, is an essential mineral needed by the human body (and all animals) in order to function properly. It helps maintain the...

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