Dear Dr. Roach: My 18-year-old daughter has had digestive problems on and off for a few years now. Her appendix was removed in March 2015. She had brutal abdominal pain, but the ultrasound scan didn’t…

DEAR DR. ROACH: I’m a female, 53, who suffers from and is being treated for IBS. I have a history of colon cancer in my family. My family members and I go through regular screenings…