The oldest person to be president was Ronald Reagan
The reason people believed king tut relied on advisors is because he was younger and he was trying to persuade people to believe in the god that he believed in.
That statement is true
This result can be used as proof that certain type of genotype among humans are not affected by environmental factors. (some of us are born to be physically stronger or intellectually inferior without making any effort, environmental factors could only resulted in very little deviation.)