|
|
Blood is approximately twice as thick as water because of the cells and other components found in it.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.