Telomeric Theory - Growth Factors
tmatth at netcom.ca
Wed Sep 30 00:43:58 EST 1998
Olaf Henny wrote:
> >Just some wild speculation here -
> >An opinion I have read is that increased lifespan under CR may be a way of an
> >organism making the "best of a bad lot" when conditions are so bad that it
> >would be unlikely that offspring would survive. Extending life until
> >conditions improved may be a strategy that has evolved that optimises
> >reproductive fitness under difficult conditions.
> This would jibe with the observation, that CR started in older mice
> (in post-reproductive age) does not have a life-prolonging effect.
But it *does*, Olaf! even when started in late-life. Although it is far
less than when started younger and is even less than a linear
relationship with age would imply.
The LIFE EXTENSION FOUNDATION - http://www.lef.org - 800-544-4440
A non-profit membership organization dedicated to the extension
of the healthy human lifespan through ground breaking research,
innovative ideas and practical methods.
LIFE EXTENSION MAGAZINE - The ultimate source for new
health and medical findings from around the world.
More information about the Ageing