I am mixing them together for comparison purposes, yes. I was attempting to point out that health insurance is a big fat pool of insured risk - life insurance does use actuarial tables to assign people to risk groups (fat, cancer in family, etc, etc).
Point was that if we're going to ask fatties to pay more for health insurance (or alternatively, to require them to become healthier in order to have health insurance), then we place obesity into a special risk group for health insurance - just as is now done with life insurance. And if you're going to do THAT, then you have to be fair and consider all the risk groups. Like old people. etc.
I do realize that currently, life insurance and health insurance are not run the same ways.