You are going on tangents (food effects on brain, microbiome, genetics). I would be very surprised if you could find a significant amount of people for whom "Ea

You are going on tangents (food effects on brain, microbiome, genetics). I would be very surprised if you could find a significant amount of people for whom "Eat less, move more" would not result in lower body fat over time. The fact that some people won the generic lottery and can afford to eat more and move less does not change the fact that "Eat less, move more" works for the vast majority of the population.