What makes your cells self-destruct from too much fat and sugar?

One of the built-in defense mechanisms of our cells is that they self destruct when overloaded with fat and sugar. This helps kill off damaged cells, and prevents them from multiplying into cancers. While this ability is crucial for the body to maintain itself, up until now we've never known what causes this… » 7/08/11 5:51pm 7/08/11 5:51pm