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Author Question: Headaches are usually seen with allergies, rarely seen with colds, but prominent with the flu. (Read 34 times) |
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Vaccines prevent between 2.5 and 4 million deaths every year.
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The horizontal fraction bar was introduced by the Arabs.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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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.