Aging rates/human vs. dog

David Hinz W-641 548-3221 hinz at wind
Thu Apr 14 18:58:40 EST 1994

I've been wondering this for a while, and was hoping someone here
could answer this: 

Why do dogs often have cataracts when they reach the age of, say, 12 years,
but in humans it takes maybe 5 times as long?  Are the cells aging at a
different rate, and if so, why?  If we knew why, could we do something 
about affecting aging rates?

Thanks - I hope someone can answer what is probably a rather naive and
basic question.
Dave Hinz

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