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>howdy
>I have a problem: There are facts and some assumption out there which do not
>fit
>together, as far as can see:
>
>1) The need for decompression results from soluted gases in body tissues
>2) Oxygen has a higher solubility in water and oil than nitrogen
>3) The specific narcotic behaviour of a gas increases with its solubility
>(Meyer
>Overton)
>4) Test, using nitrox instead air, have shown no influence on the divers
>behaviour in terms of nacosis.     This resulted in: there is no END for nitrox
>5) Nitrogen (and helium) are responsible for decompression, which resulted in
>the EAD prinzip
>
>I think, that one of those five points must be wrong.
 . . .


I'm certainly not an expert on this subject, but I've always assumed that
the reason that oxygen doesn't cause narcosis is that it is metabolized by
the body, so it doesn't stay around (dissolved) in the body.  But I'd love
to hear the real answer!

                                     Gene

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