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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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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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The average office desk has 400 times more bacteria on it than a toilet.