I think that the first thing to do is to fix the microbiome, after that, our health will take care of itself. Future diets should be based on environmental considerations only. I have registered to give a keynote speech in ICOCD-2025, Boston, MA, November 03-05. See our recent reference "Feeding Our Microbiota: Stimulation of the Immune/Semiochemical System and the Potential Amelioration of Non-Communicable Diseases", Smith et al., Life, 2022, 12, 1197.