[quote=BobG]Yes, but the original question was "What is the deepest that a diver is physically able to go?"
Narcosis is very subjective. It can be felt one day and not the next, by one diver in the group, but no other. A diver can go for many, many years and not fall subject to it then one day suffer an extreme case of it. Scientists have been trying to unravel its secret for many years. [/quote]
Ohh really huh, thanks by the way.
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