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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Your heart beats over 36 million times a year.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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Medication errors are three times higher among children and infants than with adults.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.