The problem had less to do with what we were eating than how we ate it. Chewing. It was the constant stress of chewing that was lacking from our diets—not vitamin A, B, C, or D. Ninety-five percent of the modern, processed diet was soft. Even what’s considered healthy food today—smoothies, nut butters, oatmeal, avocados, whole wheat bread, vegetable soups. It’s all soft. Our ancient ancestors chewed for hours a day, every day. And because they chewed so much, their mouths, teeth, throats, and faces grew to be wide and strong and pronounced. Food in industrialized societies was so processed
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