The liver processes everything we consume. The liver becomes stressed when it has too much to process (duh), when this happens a wide array of things will begin to change the body physiologically. This cannot happen from the everyday metabolism of food or even light alcohol consumption. However, now that food is laced with chemicals to prevent infestation and genetically modified to grow in different conditions, the liver has to work harder to rid the body of these chemicals and contaminants. In the mean time, havoc will slowly but surely alter the bodys natural processes and create all sorts of disorders undetectable, even by you. Don't think that just alcohol and drugs screw up your liver and body. Your shity food will too.