Human longevity (and population) isn't just about us, it is about the impact on our environment which is turning out, already to be an unqualified disaster for

Human longevity (and population) isn't just about us, it is about the impact on our environment which is turning out, already to be an unqualified disaster for our planet. Also, if you count only people who reached adulthood and eliminate early deaths from injury which were common in adults between 25-45 yrs old, life expectancy and height are only now catching back up to the paleolithic.