Re: Oxygen

Date:         24 May 99 01:52:22 
From:         jchase@neo.rr.com (Joseph E Chase)
Organization: Road Runner High Speed Online -- Northeast Ohio
References:   1
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Aircraft cabins are pressurized to the equivalent of 8000 feet.

Many ground-based activities take place beyond this altitude, and people
tolerate them well if in good health (Examples- much of the Boy Scout
camp at Philmont in New Mexico, where thousands of healthy teenagers
hike with their middle-aged dads; many Rocky Mountain ski slopes; the
top of Trail Ridge Road in Rocky Mountain National Park, where I have
walked unprotected at 13,200 feet- but felt less than lively!)

Mountain climbers routinely function higher, although as another poster
pointed out, the risks to brain function are nasty as you near 20,000
feet.   The brain function of anyone who plans to climb this high may be
in question BEFORE the trip.