There is an assumption here that there is one diet is the best in all respects. But I don't think that's the case. Diets have benefits and drawbacks. Like over

There is an assumption here that there is one diet is the best in all respects. But I don't think that's the case. Diets have benefits and drawbacks. Like over the years we have adapted a little bit in this direction and then later a little bit in that direction and that's how we are where we are.