Humans red in tooth and claw
The New Yorker has an interesting article by Manvir Singh about fad diets, with a focus on all-animal diet as ostensibly the diet best suited to our species. A character who brands himself “The Liver King” specifically endorses grassfed beef liver. The paleo diet industry insists that humans evolved to kill animals and devour their tissues and organs, eating plant matter in desperate circumstances. In reality, the best research we have suggests that humans evolved as omnivores, eating both animal (vertebrate and invertebrate) and plant tissues: • the tooth wear patterns on fossilized Australopithecus and Neanderthals indicated a diet that contained substantial fibrous plants; • by comparing diets among 58 foraging societies from around the world, anthropologist Richard Lee found that half got the majority of their calories from plant foods and only eleven relied on hunting for their primary means of subsistence, all but one in the highest or lowest latitudes, far from our African orig...