I work a desk job in a knowledge work based society with consistent, reliable caloric abundance.
The body doesn't know it's not on the African plains and needing to bank the current bounty because who knows when it'll eat next.
Natural is a fair part of your population starving every winter.
Wouldn't it be funny if we discovered that naturally trim people just produce more hormones like glp...
You can’t apply to habits of one physiologic group to a different group and expect the same results.