Re: Life Expectancy

From: Timothy Bates (tbates@karri.bhs.mq.edu.au)
Date: Mon Jun 14 1999 - 00:19:38 MDT


Spike Jones asked
> how do we identify good genetic material?
>The goal is to maximize the only thing we
> *know* for sure is good: long life.
> How now, Dr. Bates? spike

Of course long life is all those things that you don't care to raise, like
IQ, etc. As a for instance, several researchers believe that IQ simply
reflects brain "health" - that IQ 140 means nothing wrong, and less than
that is the sum of all things that have not gone wrong.

So, longevity (survival) is a function of the organism in its environment -
you can't raise it in the abstract.

More narrowly, longevity as the all-things-being-equal ability of system to
repair themselves is at this time an almost completely open question. No one
knows the answer. Hope for master clocks at both chromosomal and organismic
levels (with melatonin as a regulator for instance) and such-like remains
strong but largely unfulfilled.

so .. go and donate lots of money to a research institute that you like ;-)

tim

__
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