Crohn’s colitis is a type of Crohn’s disease that only affects the colon, or large intestine. It differs from other types of Crohn’s and from ulcerative colitis.

When it comes to intestines, it sure seems like two are better than one. I asked my friend Franck Carbonero why that is. He’s a microbiologist at Washington State University. He studies the bacteria ...

How long it takes to digest your food depends on your age, gender, and diet, but in general will take between four and six hours.