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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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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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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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