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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
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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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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Vaccines prevent between 2.5 and 4 million deaths every year.