Carbs and proteins both have 4 calories per gram, while fat has 9 calories per gram. Fatty foods tend to be low in fiber and overall nutrition and often high in sugar and calories. High-fat foods tend to be less filling than other foods, and therefore less satisfying. All foods have at least a trace of fat it s added fat that you really have to watch for. Much of the weight of milk comes from the water it contains, which has no fat, and thus it is able to sport a low percentage of fat by weight.
Sweets are usually concentrated sources of calories.
That means that there is a high proportion of calories to amount of food. Limit or avoid packaged foods, which are often loaded with excess salt, sugar, fat, and other undesirables, such as chemicals, artificial colors and flavors, and pesticides. They also tend to be skimpy on nutrition. Try to eat fresh, whole foods whenever possible. If you re going to eat something prepared or pre-packaged, check out the serving size.