>Has anyone considered the possibility that evolution
>will never help us to tolerate grains and other "farm
>foods?" In order for us to adapt, these foods would
>have to kill the weaker of us before we produce
>offspring, ensuring that only babies that can eat
>grains with no ill effects will be produced.

Hmmm. One might have also said this about our mostly vegetarian ancestors a
few million years ago, who did eventually adapt to a predominately meat
diet. Pretty big shift there.

I might agree with you if the population had stabilized or was decreasing.
But, that doesn't seem to be the case.....