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Approximately 500,000 babies are born each year in the United States to teenage mothers.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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.
Blood is approximately twice as thick as water because of the cells and other components found in it.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.