Technology is often a consequence of science and engineering â although technology as a human activity precedes the two fields. For example, science might study the flow of electrons in electrical conductors, by using already-existing tools and knowledge.
Depends: Depends on your body mass, the type of anesthesia used, the length of the procedure, and how your body metabolizes the anesthetic agent. Usually mostly worn off in 30 minutes to 2-3 hours, but may have some residual effects for 24hrs or longer.
Well... As for duration of action of up to 6 hours, 6 to 12 hours is the half-life period of Xanax. That is, after this length of time, one half of the taken dose is still present in your system. After another 6 to 12 hours, a half of this half is still present, and so on.anax stays in the body 4 - 6 hours depending on the individual. The second answer was correct and off a pharamacy site! YET ANOTHER ANSWER! GENERALLY speaking, how long a drug stays in your system is more likey linked to how long does the drug works in your system.