Can holding your urine for too long cause problems? How much gas is too much? If your poop looks funny, when should you worry? Yep, we've got answers for the red-faced to these bathroom questions and more!

People who get full sooner than others may have gastroparesis—slow stomach emptying due to nerve damage.

Hitch up your pants and install your pocket protector. If you have acid reflux, chances are it’s not just GERD, it’s NERD! Here's what you need to know about the most common type of heartburn, non-erosive esophageal reflux disease.

How doctors test for celiac disease—and why it can take so long to recognize.

Do milk and crackers really treat heartburn? A gastroenterologist answers.