Re: Is Virgin Galactic for Real?

Greg D. Moore (Strider) wrote: 
Hmm, at least one article I've read on this seems to indicate that
supplemental oxygen helps far less than oiriginally thought.  Mostly because
people on it tend to prolong time at altitude which increases their brain
damage.  But I can't find that one.

I don't get that - if the problem is lack of oxygen, how would supplemental oxygen not completely solve it?

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