X-Message-Number: 3196
Date: Sat, 1 Oct 1994 10:55:10 -0400 (EDT)
From: 
Subject: SCI.CRYONICS Aging (Ageing) Revisited

Date sent:  1-OCT-1994 10:53:17 
>
>
>There are theories such as the free-radical and clock ones to explain
>the breakdown of the aging organism. I merely maintain that cells in an
>organism have to compete in the organism's body environment as they have to
>in nature. If one looks at the physiological changes that take place in
>animals as they age you actually see the success of cells able to compete
>more effectively in a changing environment. If the body's environment can be
>stabilized then cell competition can be controlled and endangered cells
>saved. An example how this can be done is how cancer is treated. Poison is
>injected into a patient that makes the environment unsuitable for cancer
>cells. This is called chemotherapy.  What Hayflick and others observe in
>vitro is that cells with a limited lifetime compete more effectively for
>resources than cells with an extended lifetime. It is a well known fact that
>cells in vitro undergo substantial changes.
Jan (John) Coetzee

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