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Illicit drug use costs the United States approximately $181 billion every year.
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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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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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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 longest a person has survived after a heart transplant is 24 years.