Exploring the Pros, Cons, and Controversy of Going Full Carnivore For centuries, indigenous Arctic communities thrived on meat-heavy diets in extreme environments, sparking curiosity in modern health circles about the sustainability of an all-meat lifestyle. Welcome to the carnivore diet—a controversial, ultra-restrictive way of eating that tosses out fruits, veggies, grains, and everything plant-based in favor of only animal products. But does this primal approach to nutrition stand the test of science?