Cancer - Is It a Disease?

There is a long list of risk factors with an equally long list of caviots. These factors generally fall into one of three baskets, hereditary, environmental and behavior. Tobacco, smoke, aspestus, ultra violet rays, heavy alcohol consumption all very likely carsonogenic. But about artificial sweeteners and charred meat, no clear or conclusive evidence. And if you want to make regulatory policy on nutrition science, it's a tough thing to do....