Some juices, such as orange juice contain a lot of nutritive value, but others such as apple or grape have almost none. A muffin is about 100 calories per ounce. An English muffin or two slice of bread is more like 150 calories. You could save 200-750 calories just in your breakfast. Pretzels are better for you than potato chips but those big ones you love so much can be as much as 100 calories.
Most manufacturers put more sugar in their foods to compensate for the lack of fat.
If you take cheese off your sandwich, pizza, or hamburger, you're going to lose 100-200 calories per ounce. It doesn't matter whether it's olive oil, butter, margarine or lard in terms of calories. Carbohydrates have gotten a bum rap lately, but truthfully, fat still has 9 calories per gram vs. 4 calories per gram of carbohydrate. Total calories will result in weight gain, so if you have too much bread, too much pasta or too many pretzels, then your calories may be more than your maintenance needs. It is not only cholesterol in foods, but saturated fat which can increase total cholesterol in your body.