"David Kazdan" wrote in message
m...

. . . But breath helium in the absence of oxygen and, just like if you
breath nitrogen in similar circumstances, you will become unconscious,
have an anoxic seizure, and die. . . The people you've seen get away with
a breath
or two of it on the residual oxygen in their lungs and blood.

Excellent post and, as far as I know, your facts are correct.

But - I find it odd that person of your stated qualifications does not seem
to know the difference between "breath" and "breathe". ?????

Rich "One can be a typo. Two makes it an error. Three would be enemy
action." S.