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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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There are more bacteria in your mouth than there are people in the world.
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Medication errors are more common among seriously ill patients than with those with minor conditions.