Modern wellness culture loves a revelation. Every few years a new diet arrives. Atkins in the early 2000s. Raw food in 2010. Paleo in 2013. Keto in 2018. Carnivore in 2020. Each one packaged as a discovery, a breakthrough, the thing we've finally figured out. We treat food science like it's new. Like we are the first people to ask what we should be putting in our bodies and why. Our ancestors would find this baffling. For most of human history, the relationship between food a