John Dunk wrote: >You know, every so often,I see someone state they were "narced" at 80 >or 90 or even 100',and i have to be a bit skeptical. Pressure chamber studies with several hundred participants have shown= clearly that mental capabilities of most people are compromised already at= a depth of only -30m (90'). Although almost nobody experiences a real= narcosis at this depth, the effect may negatively affect the ability to= judge and properly handle critical situations. I have to add that my knowledge is exclusively theoretical since I am not a= very experienced diver myself (and certainly not a tech-diver). However,= IMHO the effect of nitrogen narcosis on the frequency of diving accidents= may be as underestimated by a lot of divers as the well-proven effect of= even low levels of alcohol on skiers (and drivers, divers, etc.).=20 Beat Ludin ----------------------------------------------------- Beat Ludin, FMI, PO Box 2543, 4002 Basel, Switzerland Tel. +41 61 697 6697 / FAX +41 61 697 3976 Internet:ludin@fm*.ch* / Compuserve:100102,1527
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