How leeches served as a universal remedy 2,000 years ago

Ancient Bloodsuckers | National Geographic · 3:15 · Video: National Geographic · Watch at the source

In short: Long before modern pharmacology, leeches were a staple of medical practice. This video explores the historical role of these bloodsuckers in treating a vast array of human ailments.

Two millennia ago, leeches were employed as a widespread medical tool. Their use was remarkably diverse, ranging from the treatment of common colds to more specific conditions like hemorrhoids.

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