I've read of people solving this type of problem either by eliminating gluten or all grains, depends on the individual as to which it is. Mood issues can be strongly influenced by consuming gluten. Other folks go lower (or low) carb, which would have a lot less grains and gluten just by its very nature, but how sensitive someone is to each is a guess-and-check thing.
You can get ideas for what to eat, and why these foods can be problems, at wholehealthsource.blogspot.com or mark's daily apple (google for the site, I forget the exact url).
You can get ideas for what to eat, and why these foods can be problems, at wholehealthsource.blogspot.com or mark's daily apple (google for the site, I forget the exact url).