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Jim Cummins cummins at POSSUM.MURDOCH.EDU.AU
Thu Sep 16 20:03:06 EST 1993

Ageing is thought to occur mainly in postmitotic tissues such as brain and
muscle.  Check Miquel, J. An integrated theory of aging as the result of
mitochondrial DNA mutation in differentiated cells. Arch Gerontol
Geriatrics 1991: 12: 88-117

Dr Jim Cummins                            +61-9-360 2668
School of Veterinary Studies          FAX =61-9-310 4144     
Murdoch University               cummins at possum.murdoch.edu.au
Murdoch, Western Australia 6150
"For every complex problem there's a simple solution.  And it's wrong!"

On Thu, 16 Sep 1993, Gail Murray wrote:

> Question:  It is said that the cells of our bodies are completely
>            replaced every 7 years or so.  If this is so, and all
>            cells are replenished, what is it that ages?
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