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Did you know?
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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