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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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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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Everyone has one nostril that is larger than the other.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Asthma cases in Americans are about 75% higher today than they were in 1980.