I am a 20 years old boy from last 1 year I have physical symptoms like 1 bloating in the stomach every time after eating food. 2 little pain in my lower stomach 3 frequently changes in stool like light yellow, dark, spotted little red although my occult blood for stool is negative 4 bad taste of tongue 5 weight loss almost 4kg in a month 6 motion is normal and only once in a day 7 increased appetite 8 acidity Etc I visited doctors to doctor from last one year but I haven't found any relief. Although I did a lot of sonographies, an MRI abdomen, all types of blood tests, stool tests and urine test and all are normal and good What should I do I am very stressed about it and depressed