I AM SUFFERING FROM GASTRIC PROBLEM FOR LAST FOUR MONTHS,I

I AM SUFFERING FROM GASTRIC PROBLEM FOR LAST FOUR MONTHS,I AM NOT HAVING PAIN IN STOMACH I AM HAVING BURPING ALL TIME AND FEELING NUMBNESS IN HEAD AND FEELING LIKE LOSS OF CONTROL,SOME TIMES HEARS CRACKING NOICE FROM NECK,I HAD SEEN DOCTORS AND TOOK ULTRA SOUND,BLOOD TEST,CT BRAIN...ALL TEST COMES NORMAL,SOME TIME I FEEL DIFFICULTY FOR HEAD ...AFTER BURPING I FEEL RELAX..,MOTION IS SMOOTH..PLEASE SUGGEST ME WHAT DIET I WANT TO CONTROLL....