In theory, you should be able to digest just about any type of food you put in your mouth. But changes in food processing and preparation (think fried) not to mention lifestyle (think sedentary) mean our stomachs don't always react well to everything we eat.
It's best to avoid some food -- like fatty meats -- to avoid upset tummies. But, fortunately, nature also provides foods that can ease our digestion. Here's a guide to what's good and what's bad when it comes to keeping your system running smoothly.