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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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If you could remove all of your skin, it would weigh up to 5 pounds.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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