He's simply re-breathing in his own expelled toxins and pathogens while decreasing his oxygen count - for hours at a time - every day. guy is a retard.
He's simply re-breathing in his own expelled toxins and pathogens while decreasing his oxygen count - for hours at a time - every day. guy is a retard.
Sounds like respiratory training for a trip to Mars
Sounds like respiratory training for a trip to Mars
Or the west coast
Or the west coast
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