huge sinus cavities, strong jaws, and straight teeth. Almost all humans born before 300 years ago shared these traits because they chewed a lot. The bones in the human face don’t stop growing in our 20s, unlike other bones in the body. They can expand and remodel into our 70s, and likely beyond. Which means we can influence the size and shape of our mouths and improve our ability to breathe at virtually any age. To do this, don’t follow the diet advice of eating what our great-grandmothers ate. Too much of that stuff was already soft and overly processed. Your diet should consist of the
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