If you spend your day harvesting a field or running after animals to pray them, you're not going to be obese, you're more likely to gather fat if your day is ta

If you spend your day harvesting a field or running after animals to pray them, you're not going to be obese, you're more likely to gather fat if your day is taping on a computer, but this has nothing to do with diet. Also, I won't the lifestyle of a period of our history, as a species, where the expected longevity was something like 30 years against 80+ of today.