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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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.
The horizontal fraction bar was introduced by the Arabs.