Cancer can and does appear overnight - but will not be detected at the time of appearance. Cancer-associated damage accrues over a lifetime. Bodily cancer suppression is a function of long term and short term processes. Metabolic disease is associated with higher cancer rates. Consuming plants, sugars, carbohydrates and plant oils and especially degraded or oxidized plant oils are all associated with metabolic disease and inflammation and are contra-indicated in the human diet. A high fat carnivore diet is the long term diet of humans. Proven with radioisotope analysis of ancient human remains among other things. I am countering the post of