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Biotech

Submission + - Resumption of oxygen to cells kill cells

Carlinya writes: Newsweek reports that standard emergency-room procedure has it backward by pumping oxygen to someone who's heart has stopped for more than a few minutes.

According to the article: "Once the cells have been without oxygen for more than five minutes, they die when their oxygen supply is resumed. The cellular surveillance mechanism cannot tell the difference between a cancer cell and a cell being reperfused with oxygen. Something throws the switch that makes the cell die."

Gosh that takes me back... or is it forward? That's the trouble with time travel, you never can tell." -- Doctor Who, "Androids of Tara"

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