QUIZ BY JENNIFER SMITH Is your stomach going to pay later for a little dairy now? FREAK OUT OR CHILL OUT? When it comes to digestive troubles, it can be tricky to tell exactly what ails you W IN TER 2017 PHOTO BY THINKSTOCK 42 Sometimes, we have a little rumble. A little grumble. A bit of an upset stomach. Look, there's no need to be embarrassed. We all have digestive issues on occasion. The next time you run for the antacids to soothe your heartburn or wonder what's with all that gas, know that you're not alone. Digestive issues are common and often easily treatable. With the help of J. Sumner Bell III, MD, a gastroenterologist and fellow with the American Gastroenterological Association, we'll help you sort out whether your belly issues need a closer look from your doctor.