You're right it's debunked, but even if you take survival rate at age 15 in the Paleolithic era life expectancy was 54 [1]. There were some aristocratic populat

You're right it's debunked, but even if you take survival rate at age 15 in the Paleolithic era life expectancy was 54 [1]. There were some aristocratic populations that last over 64 at age 21 [1]. [1] https://en.m.wikipedia.org/wiki/Life_expectancy https://en.m.wikipedia.org/wiki/Life_expectancy