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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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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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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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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.