Wayne > I cannot believe that Paleolithic beings limited their protein consumption to an arbitrary amount. Agreed. They didn't limit to an arbitrary amount, there was no precalculation or weighing. When carbs aren't available, humans preferentially consume fats over protein. What's artificial is the brainwashing that's occurred over the last thirty years that fat is bad, that fat makes you fat. I find that when I consume fat to satiation, I end up wanting about 50-100 grams of protein a day. Some days more, some days less.