Hi, I am a 55 year old male, and I ve had discomfort just below the navel off and on. I thought it might be from my daily coffee drink, not sure though as there s no acid reflex. I feel it more intensely if I m sitting in a slouched position. Also accompanied by tiredness/weakness. I avoid dairy, but do have greek yogurt with breakfast, maybe I should eliminate that. I also had radiation treatment for prostate cancer 3 years ago. Thanks for any thoughts, John