Fad or not for most, no one actually needs to earn wheat
Try going a month without it, substitute it with most anything but sugar, and watch how much weight you lose
I am told by friends from abroad that they come here, they dont change a thing about their diet, yet gain a lot of weight...
I’ve cut my bread consumption to about 0 for a few days now to see.
All I can say is that I generally don’t feel like a zombie at the end of a day.
I plan to keep it up.