Meat products contain much more fat and calories than the unrefined plant-based foods thus contributing to obesity by causing leptin resistance. Meat, like fish or dairy, also contain no dietary fiber. And fiber, which is found only in unrefined plant foods, plays very important role in fighting obesity because it absorbs water increasing the volume of food in the stomach without adding calories. In addition, fiber also increases the level of adiponectin thus helping us to control body metabolism and appetite. That is why according to Dr. Dean Ornish the unrefined and rich in fiber plant-based diet should be called the “eat more and weigh less” diet. It means that the less meat is consumed, and the more plant-based products rich in fiber in the diet, the better should be the results. Read more