They are usually highly refined and high on the glycemic index. So, yes probably.

corn are better the flour

Anything ground up is "bad." This is a form of pre-digestion doing the stomachs work for it, meaning it changes the GI index of the item in question.

If you are looking for a strict diet you dont eat breads or tortillas, even that fancy 9 grain bull.

Ive read before that the glcose polymers in corn reduce sex drive

Thx bros.