1. Any Paleolithic humans who engaged in nutritionally motivated hunting would have done so in order to increase their food energy intake in order to maintain or gain weight, not in order to achieve weight loss… In view of this, the "Paleo diet" theory that overfed sedentary modern humans who need to lose excess adipose should regularly eat the fatty flesh and eggs found in supermarkets because active, underfed, extremely lean prehistoric people who struggled to meet their basic caloric needs ate lean game flesh or eggs whenever possible lacks basic credibility. Don Matesz
2. Think “humane” meat is healthy? Over a century ago, high rates of cancer were observed in Argentina which was inhabited by the Gaucho, a nomadic population that for months subsisted entirely on pasture raised beef. Similarly, a study carried out in Uruguay where livestock is predominantly grass fed, with no hormones added, found that a high intake of fresh red meat was associated with between a 87% and 290% increased risk of 13 different major cancers, independent of other food groups.