SEX DIFFERENCES IN WORK AND RISK OVER TIME – Six hour work day appears, by all t

SEX DIFFERENCES IN WORK AND RISK OVER TIME
– Six hour work day appears, by all the data, to be the max for humans. Women can and do work more house than men, especially including childcare activities, but men work more a activities at the margin where they accumulate cellular damage, shorten their life spans, are at greater risk of maiming or crippling, and higher risk of death.
– Agrarians die from violence and war at about 20%, hunter gatherers at about 12%, and moderns even in the world wars, at only 1%. And while the percentages are hard to calculate, this sequence is approximates the same for women dying in childbirth.