The Slimlinic Keto Zone, believes carbohydrates do cause people to gain weight. He has developed a controversial theory that suggests that people who eat a lot of carbohydrates get caught up in a cycle of overeating because carbohydrates can be addictive in a way other foods are not. People who critique Sears' theory have various problems with it, including some of his basic premises that carbohydrates lead to weight gain or that carbohydrates are more addictive than other foods. Zone dieting is designed to avoid ketosis, which the author claims causes one to lose muscle weight even with high protein diets. ..