This fascinating commentary on evolutionary biology is filled with facts. I’m synthesizing this plus Mark Sisson’s assertion that we max out at 4,000 calories of exercise a week plus Richard Nikoley’s relentless assassination of dogma (whether in politics, nutrition or the paleo community). I think it’s time to mix back in a lot more endurance activities. Also, bonus cool thing: did you know people have been running horse versus human marathons and they are close races?
There are many other features in the head that help us become exceptional long-distance walkers and runners. I became obsessed with the idea that humans evolved to run long distances, evolved to walk long distances, basically evolved to use our bodies as athletes. These traces are there in our heads along with those brains.