X-Message-Number: 28683
From: "JOSEPH W MORGAN" <>
Subject: Brain Cell Death due to Oxygen Deprivation
Date: Fri, 24 Nov 2006 08:36:38 -0700


Yesterday I was discussing cryonics with a skeptic.  He pointed out that brain 
cells are extremely sensitive to oxygen deprivation. Some brain cells actually 
start dying just under five minutes after their oxygen supply is cut. As a 
result, oxygen deprivation can cause severe brain damage rapidly.  He asserted 
that minutes after death the brain is irreparably damaged and therefore cryonics
cannot work.

I don't know enough about brain physiology to have a good response.  




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