Low Carb -> Low Cancer
When asked to speculate on the biological mechanism, Krystal said that tumor cells, unlike normal cells, need significantly more glucose to grow and thrive. Restricting carbohydrate intake can significantly limit blood glucose and insulin, a hormone that has been shown in many independent studies to promote tumor growth in both humans and mice.
http://www.eurekalert.org/pub_releases/2011-06/aafc-lhd061411.php High protein diets also tend to give better satiety per calorie, and help (up to some point of diminishing returns) funnel excess calories into muscle mass rather than fat. (HT)