In shocking news recently and less recently and, really, since there was scholarly response about the nutty matter to hand, the Paleo Diet might not be evolutionary perfection on a plate. The meat-rich eating plan might increase, and not decrease, as is claimed by its profiteering advocates, the risk of colorectal cancers, and despite cheerleading by its slender celebrity squad, it’s about as sustainable an energy source as coal. You don’t endorse a commercially popular “movement” that relies on the mass-farming of beasts and get to claim you’re getting back to nature. It doesn’t matter how artisanal or grass-fed your steak is, it remains, rare or well done, a product with an immense carbon hoof-print.