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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.