April 29, 2008
IS BREATH-HOLDING HAZARDOUS TO YOUR BRAIN? Personally, I think that before deciding to descend to depths of more than 500 feet on a single breath, people must already have something wrong with their brains . . . .
IS BREATH-HOLDING HAZARDOUS TO YOUR BRAIN? Personally, I think that before deciding to descend to depths of more than 500 feet on a single breath, people must already have something wrong with their brains . . . .
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