Childbearing

... a large difference.) -http://www.earlymenopause.com/breastcancer.htm And I'm sure if you poked around a bit you could probably see the average childbearing age is quite low. If breast cancer rates are increasing(which i see you have no evidence for) then i could have a perfectly explainable ...

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... of humanity indicates that this is not the case. you no nothing of social anthrolopogy or native cultures take africa now with the aids crises childbearing men and women are dying so the grandparent take care of the kids grandparent play a big role in the survial of humans - you think our atomised ...

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... of a person no longer able to breed a bad thing from an evolutionary point of view? the point is women of child bearing age die of it as well and childbearing women pass it on also NS is also about survial of the species you seem to think that non child bearing people are irrrelevant- we are social ...

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... are common in the population-thus invalidating NS Young women mums and grandmother are killed by it ie breast cancer genes It occurs in women of childbearing age and they transmit it to their daughters. Some say a gene that kills after child bearing age does not invalidate NS. The fact is the ...

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... exponent) reduces the difference between numbers of people and amount of food production. It can be achieved by lowering family size or delaying childbearing.

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