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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
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Your heart beats over 36 million times a year.
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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.