https://www.diabetesdaily.com/blog/2011/02/a-plant-based-diet-for-type-2-diabetes/The first answer is to look around the world. Populations, such as Japan or China, whose traditional diets were based on rice or other carbohydrate-rich foods, tend to be slim and have very little diabetes. The arrival of meaty, cheesy diets changes everything, with obesity and diabetes roaring in. A vegan diet reverses this scenario. The pounds come off, cholesterol plummets, and diabetes improves.