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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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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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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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