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Did you know?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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On average, the stomach produces 2 L of hydrochloric acid per day.