Respected user , hi Thanks for using Healthcaremagic.com I have evaluated your query thoroughly . * There are various reasons which may play a role for your condition as - Motility issues as diabetic gastroparesis or others - Enzyme deficiency from various conditions of liver , gall bladder , pancreas - Inflammatory bowel diseases - Narrowing of intestinal lumen , tumors , Tuberculosis - General condition related as obesity , hyper cholesterolemia , chronic smoking induced , sedentary life style * Need thorough history , physical examination , necessary tests of lab Ultrasound report and scopy in selected cases . Hope this will help you . Always welcome for any further guidance . Regards .