The more that the interaction between the mouth and the body is studied, the more that we see that they are intimately connected. It's not too much of a stretch to say, "healthy mouth, healthy body." And if you think about it, it makes sense. The mouth is the most prominent entrance through which our body interacts with the outside world.
To help us understand how the health of our mouth directly influences the health of our body, let's take a look at the adverse health effects that are proven by research to be directly related to gum disease.