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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
The horizontal fraction bar was introduced by the Arabs.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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.

