For 1 month I have bowel problem. I take diet and vegetable added food. But no changes in this. For now couple of days. I feel constipation. Sometime I have diarrhea only one time in whole day. Is these any serious! I feel I have gas problem or bowel problem. I am not feeling so good. In stomach I feel sometime heat. And couple of days I feel light headache basically in evening. Please tell what food I should eat. I am sitting job in office. Please tell what diet is suitable for me. And my tongue has not good test. And I am also feeling sleepy.