Dr. Mehmet Oz
It's a topic that is rarely talked about: bowel movement and bathroom habits. But according to gastroenterologist John LaPook, more than 10–20% of Americans—children and adults alike—suffer from irritable bowel syndrome. 

Dr. Oz and Dr. LaPook dispel the myth that IBS is a psychological problem and talk about the importance of seeking medical attention for the symptoms and the possible reasons behind IBS. Do you feel bloated, have abdominal discomfort and alternate between diarrhea and constipation? What you can do to relieve the problems associated with irregular bowel movements. Plus, when and why you should get a colonoscopy.