Posted by Bob3 on May 12, 2001 at 04:18:24:
In Reply to: Re: Deep Air Survey posted by John Walker on May 10, 2001 at 21:53:13:
I can't say for O2, but my experience has been that I built up N2 intoxication resistance.
My dentist used to cuss me out every time the nitrous mask went on, he'd have to peg out the flow and lean down the O2 before it started to take effect.