Apparently, that is still not very clear. Many or most of us have had a loved one or acquaintance who has had a battle with cancer - few diseases are more frightening. The statistics are 1 in 3. Here is a very in-depth, excellent article that is worth reading. Low-carbing is highly recommended to prevent cancer. Cancer: Disease of Civilization. Many primitive people have never experienced cancer in their population. Why? One could hazard a guess that they eat differently and more as nature intended, and that perhaps our processed foods are killing us prematurely.
This was one of the conclusions:
There are 4 aspects of modern 'lifestyle' that increase the risk of a cancer. The first is a carb-based diet, the second is polyunsaturated vegetable oils and margarines, the third is a low blood cholesterol level and the last is lack of sunshine. In other words, all the 'healthy' things we are advised to do increase cancer risk.
This was one of the conclusions:
There are 4 aspects of modern 'lifestyle' that increase the risk of a cancer. The first is a carb-based diet, the second is polyunsaturated vegetable oils and margarines, the third is a low blood cholesterol level and the last is lack of sunshine. In other words, all the 'healthy' things we are advised to do increase cancer risk.