Redheads Were Believed to be Vampires

In Ancient Greece, they believed redheads became vampires after death. This was because redheaded people are very pale-skinned and sensitive to sunlight. Unlike the Greeks who had olive skin & dark features.
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Romans Used Urine as Mouthwash

Romans had a strange way of taking care of their teeth: by gargling their pee. The ammonia in urine was thought to disinfect mouths and whiten teeth, and urine remained a popular mouthwash ingredient until the 18th century.
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