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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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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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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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Approximately 25% of all reported medication errors result from some kind of name confusion.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.