Why do i feel shortness of breath while eating?i did not have any respiratory problem,but in this week,i am facing this problem. i do exercise regularly,but i can't eat anything,what should i do?

Need to examine: It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor and discuss if you may be depressed. Counter-intuitive as it may seem, exercise may help. Start with low intensity exercise such as walking and gradually increase the intensity as tolerated. Drink more water. Wish you good health!