Posted by SM (12.105.158.244) on April 27, 2001 at 17:46:21:
In Reply to: I read the commentary on O2 here...so 5 a pops a day is cool but..... posted by JohnnyBGood on April 27, 2001 at 14:39:30:
My husband's neurologist said not to use the O2 for longer than 20 minutes at a time (at 8 liters per minute, non-rebreathing mask, which equals 100% O2). I don't think it's good for your brain cells!
You might want to check further on this.