Tar Chewing Gum?

By: vivian on segunda-feira, fevereiro 27, 2017

In one form or another, chewing gum has existed for a really long time — around 5,000 years, in fact. The oldest known chewing gum was discovered on a dig in Finland. It dates back to the Neolithic age, around 3000 BCE. This “chewing gum” would not be recognizable today. It was just a lump made out of birch bark tar, but it did have clear tooth imprints in it. Even back then, chewing gum had a medical benefit. The birch bark contained phenols with antiseptic properties, so the chewing gum was likely used to treat gum infections

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