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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.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.