From: CurtAdams@aol.com
Date: Tue Jul 10 2001 - 10:22:14 MDT
In a message dated 7/10/01 8:31:10 AM, mail@HarveyNewstrom.com writes:
>This prompts me to ask the question: Is exercise an equivalent alternative
>to CR? Or is it better to avoid excess calories in the first place rather
>than burn them off later?
Exercise is not equivalent to CR in mice. With mildly restricted (30%
reduction
from ad lib) mice it's almost as good. Further CR, however, produces further
lifespan benefits, while further exercise does no good at all. It's not clear
how the breakpoint translates into humans; we have no idea what a 30%
calorie reduced mouse corresponds to. Exercise has not been shown to have
significant health benefits in people who can do passable aerobic exercise
and who aren't overweight.
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