Changes to the intrauterine environment (which is affected by the larger environment that has seen significant changes) are vastly more likely than selection pr

Changes to the intrauterine environment (which is affected by the larger environment that has seen significant changes) are vastly more likely than selection pressure of the strength proposed in TFA. More likely yet is that this is a spurious interpretation of bad data. The anatomists of centuries past weren't looking at the median arteries of all humans.