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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Blood is approximately twice as thick as water because of the cells and other components found in it.
Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
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.