people are either hungry or not. there is no such thing as toxic respiration either.
maybe you made poor food choices in the past. there is no need to overly dramatize it and turn it into another syndrome or scary disease.
plus it's possible you never had hypoglycemia to begin with. a lot of people on forums self-diagnose improperly. did you take your blood Sugar readings before and after eating?
you simply started to eat healthier. lots of people improve their health by eating better.