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Vaccines prevent between 2.5 and 4 million deaths every year.
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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
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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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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The longest a person has survived after a heart transplant is 24 years.