Sounds like the lining in your colon is a little clogged. When the colon is clogged, it is hard for your intestines to break down the food that you eat, because their is some gook sticking to/on your digestive track, which causes constipation, runny stool, dizziness, headaches, and to some point, nausea. here is how to fix the problem. you need to get your hands on some"COLON CLEANSER".