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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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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 most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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