Hi my name is gabby lately I have been feeling light headed, bloated after eating , also sometimes bloated before eating, a lot of gas , I usually have to use the bathroom after eating , I feel fatigue a lot , and my legs and body feel weak , there are points when I m at work and feel off balance and fmrum into the chairs and walls, mid and upper back pain, sensitive to smells . And sometimes a stabbing pain in my abdominal and mid section what could it possibly be ?