Diet and Cancer... What is the Link? Today we know that too much of a certain type of foods can have harmful effects on our health and well-being and we are learning that diseases such as cancer are caused in part by our dietary choices. In the 1950's scientists discovered relationship between diet and coronary heart disease, the nations number one killer. In the last 15 year a link between cancer and diet has been discovered by scientists. The National Academy of Sciences (NAS), an organization of the nation's foremost scientists found evidence so persuasive that in their landmark report Diet, Nutrition and Cancer of 19