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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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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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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.