And, the energy requirements of your body increase with exercise, which increases your metabolism. Additionally, your body stores what is in short supply. If you do not consume fat, your body will react by storing fat. It is unhealthy and unproductive to eliminate fat from your diet. Possibly the first reason is that it provides flavor, tenderness and aroma to food.
Skim milk is one such example.
When the fat is skimmed off the whole milk to produce skim milk, vitamins A and D are removed. Fat provides energy. This means that the single most effective way to reduce caloric intake is to reduce fat. Additionally, a layer of fat beneath the skin provides insulation. A fat pad below the kidneys provides protection and cushioning to help prevent the kidneys from being damaged.