>> “Nobody explains how wheat is supposed to be responsible for a situation that came upon society centuries after it began to consume wheat.” <<
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That’s not completely true.
We’ve changed the type of wheat we use, and the ways we use it. Bleached white flour is unnatural.
We’ve switched to using Hathi whole wheat flour, and all of the wheat issues disappeared almost instantly.
I’d say any diet in which you prepare your own everything that has wheat in it — even if using bad old Gold Medal bleached flour — is going to be watched more carefully than one where all has been prepared for you.