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.
But all anesthesia has some risk. For example: 1  After general anesthesia heart problems, pneumonia, sore throat, or vomiting can occur. 2  With high doses of local anesthesia, the anesthetic can go into the rest of the body and affect your brain or heart.3  After spinal anesthesia some people get headaches. Know when to stop eating and drinking. 2  If you take any medicines regularly, ask your doctor or nurse about changes to your medicine routine for the day before or the day of your surgery. 3  Try to stay calm. 4  Many people are nervous before they have anesthesia and surgery.