|
|
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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.