Not long. : Once we stop administering the nitrous oxide, usually the effects halt within minutes.
Answered 9/1/2012
5.6k views
Not long: It is one of the fastest of all the gases to leave the body. About 5 minutes, depending on the concentration used and even here where are only talking about a minute more or less with different doses.
Answered 11/4/2019
5.6k views
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