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There are 20 feet of blood vessels in each square inch of human skin.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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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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Medication errors are more common among seriously ill patients than with those with minor conditions.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.