Thanks for contacting healthcare magic. You complain that you have bowel movements are more. Stool examination test is negative.Chek your blood level and vitamin . In irritable bowel syndrom there is chances of more bowel movement. That cause diarrhea and constipation alternative. Colonoscopy can done for further diagnosis. Any colon polyps or divurticulm can diagnose by colonoscopy examination. Avoid spicy and oily foods. Avoid stressful condition. Take fress fruits and green vegetables. Avoid alcohol and smoking. Take high fiber diet foods. Drink more water. Wish you a good health. Take care. Thanks.