I think I might have a parasite in my upper intestine. This has happened before, in Turkey, after eating something that resembled fruit and tasted like fish left out in the sunshine for oh too long. When I want to obliterate the bug from my stines, I look to the wisdoms of Deepok Chopra, http://www.chopra.com. His slightly regimented book "Perfect Digestion" has saved me from bug infestation a number of times.