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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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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Medication errors are three times higher among children and infants than with adults.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.