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Did you know?
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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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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Your heart beats over 36 million times a year.