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More Co2 = less brains?

Patrick Juola patrick at gryphon.psych.ox.ac.uk
Tue Feb 11 06:33:37 EST 1997

In article <32FFA793.A6F at qmail.com> j at qmail.com writes:
>Patrick Juola wrote:
>> >Are you saying that the a higher CO2 level in a crowded room
>> >does NOT cause drowsiness?
>> I'm saying that it does not do so by binding more tightly to the blood
>> hemoglobin than oxygen does.
>Hi Again Patrick,
>Do you agree with Ralph that increased CO2 -- one way or
>another -- causes the drowsiness that overcomes people in
>overcrowded lecture-halls?
>Or do you have no opinion on this aspect of the question?

Mostly I have no opinion, since there are so many interacting things
in lecture-halls, including the quality of the speaker, that can
cause drowsiness.  If I had to hazard a guess, I would suggest that
it's hypoxia -- oxygen simply being used up through insufficient


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