Quote:
Originally Posted by RWebb
I generally agree with your 'shape of the pop'n distribution curve' comments, but the life expectancy thing is off. It's a common problem and comes from the high infant mortality before modernity - that is the main thing throwing it off.
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Not trying to be argumentative here. This is the kind of question that fascinates me.
Why does the age at which we start measuring makes a difference?
150 years ago a sickly baby died. Now he grows up to be a sickly man."If we can only get them through the first six months they thrive." But do they? Do they thrive because they are strong and it didn't show for the first 6 months, or do they thrive because the same type of technological advances that kept weak babies alive keeps weak adults alive?