We could bemoan these legacies, but it makes more sense to confront them head on, to consider just how we should live not in light of the bodies we wish we had but instead with the ones we are born with, bodies that evolved in the wild, thanks to ancestors who only just barely got away.

http://www.slate.com/articles/health_and_science/human_evolution/2012/10/evolution_of_anxiety_humans_were_prey_for_predators_such_as_hyenas_snakes.2.html