Just so you know, I have been on the blood type diet since the book came out. That is about 17+ years. How do you debunk the blood type theory? Do you mean that the idea, that we are not all the same is pseudo science? What have you found to be wrong with the food choices for your blood type? And you do know how Dr D‘…

Your wife is simply ignorant. Next time if she ever needs blood transfusion, tell her not to worry about what blood type is being pumped into her veins.