Food allergy is one of the least diagnosed and most prevalent causes of symptoms, especially depression.

— Sherry A. Rogers

I seem to be allergic to whatever that terrible smell is," said Gate man when the urge to sneeze had finally subsided." What terrible smell?"" The air," said Gate man. "It smells...different."" That's called oxygen," said Professor Bosley. "Free air. No cars, no buses, no factories; just pure, clean oxygen.

— Cuthbert Soup