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Blood is approximately twice as thick as water because of the cells and other components found in it.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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.
Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.