Peter Attia· MD
maf stands for maximum aerobic function and in essence the goal of being healthy the goal of being fit is to develop the aerobic system this is what our ancestors did this is how we got here we developed a really incredibly powerful aerobic system by doing the things in our lifestyle that drive that aerobic system to develop which includes eating more fat not eating much carbohydrate eating moderate amounts of protein maybe even relatively small amounts of protein for the earlier humans because we were we were not the hunters in those early stages but we we certainly ate a large amount of fat and we didn't sprint after animals we jogged after animals and so all of that is how we we developed we developed bigger brains bigger bodies we developed bodies that had great longevity and a higher level of health to match that longevity