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Dental Care in Ancient Sudan

Archaeologists recently reported that 2000-year-old skeletons of farmers excavated in Sudan were found to have remarkably healthy teeth. They discovered that the reason for this was a rather strange item in the Sudanese diet: the bad-tasting tuber of a noxious weed called purple nutsedge (Cyperus rotundus). The tuber is known to have antibacterial properties, and […]