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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.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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 first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").