If I fibromyalgia (I think I know) I guess my diet I have something with him (prehaps other things too). If I fibromyalgia do, carbonated soft drinks heads my list as a possible factor for IT and / or caffeine as Runner up and / or equal to it? Is there a Corelations helpful with one or both if they are taken together in a can or bottle of lemonade? Thanks for any input, because it is always painful ist.Ed