Meat, potatoes, bread, rice, and eggs cause cancer.

Actually Excesss of ANYTHING is bad for you. That goes for the good things in your body. For example Vitamins. Too much of them is a bad thing.

So Just remember Moderation is the key. And the only thing to extend life as of right now is Low Caloric Intake. and this is coming from scientific studies from the past 8 decades. Nothing else has proven to increase life. Find a disease early in life doesn't make your life increase it just makes the diagnosis earlier which in turn can either increase the chances of fighting the disease