A recent study published in Nature magazine found that human brain evolution would not have been possible without eating meat. The report stated energy saved from less chewing and the calorie-rich, nutritious benefits of meat played a large role in the evolution of the human brain. According to the report, meat requires less force to chew per calorie than the generally tough plant foods that were available to early humans. The National Pork Producers Council says another report, published in an academic journal, found that a vegan diet uses a far less sustainable agricultural land base than omnivorous diets. The report says meat production can utilize pasture land and crop land that vegetables and fruits are unable to use. While a vegan diet is less land intensive, NPPC says reducing the amount of meat products does not necessarily free more land for cultivation.
From the National Association of Farm Broadcasting news service.