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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.