TIL ancient Romans used urine to brush their teeth, as a mouthwash to whiten their teeth and they even used it as a laundry detergent to wash their clothes off until 1700’s. | Poal: Say what you want.

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TIL ancient Romans used urine to brush their teeth, as a mouthwash to whiten their teeth and they even used it as a laundry detergent to wash their clothes off until 1700’s. (www.youngisthan.in)

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[–] • 1 pt

I concur. This sounds like a highly viable hypothesis.

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