Calories count, but significantly cutting your carbohydrate intake (as well as your calories) is the key to weight loss. The good (and bad) news is that all carbohydrates are pretty such the same (except for the evil diet twins, that I’ll tell you about in a second) , in terms of promoting fat storage and stopping weight loss. There’s not a significant difference between a 200 calorie bag of M&M’s and a 200 calorie slice of whole wheat bread, in terms of alpha glycerol phosphate production. Alpha glycerol phosphate is the chemical in carbohydrates that your body uses ot make triglycerides – and triglycerides are stored fat. 200 calories of M&M’s may swing you blood sugar more and cause more feeding frenzy than 200 calories of whole wheat bread, but in terms of diet damage and fat storage, both do the same. The evil diet twins are fruit and alcohol, because your body makes twice as much alpha glycerol phosphate when you eat them, so you store twice as much fat.