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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.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
The horizontal fraction bar was introduced by the Arabs.