The horizontal fraction bar was introduced by the Arabs.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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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.
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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
