Yes, they ate what was available to them. For generations upon generations. Those who survived were usually the ones whose bodies could thrive on that diet.

Yes, they ate what was available to them. For generations upon generations. Those who survived were usually the ones whose bodies could thrive on that diet. The mankind of today are descendants of those people, with their genetics. So while the idea of a "paleo" lifestyle might be a bit too simplistic, it's vastly better than the USG's current guidelines. If you could just remove refined sugars, starches, and fruit juices from the food pyramid, that'd be a fantastic start. Their negatives vastly outweigh their positives. Whole, unadulterated food products seem to be the way to go.