Source: health2blog.comNew research tells us that people with no teeth, perform slower than people who do have teeth. Why is this the case? The research is inconclusive so far, but common sense says that if food cannot be processed the proper way, which entails the grinding of the food to a liquid form, than the nutrients cannot get properly absorbed into the body. If the nutrients aren’t getting into the body, then certain parts of the body begin breaking down – this leads to poor performance.