Even when you are dieting, however, calories should not be cut back so much that your energy needs are not met. The number of calories you need depends primarily on age, gender and activity level. Because our bodies make cholesterol from fat, it is not required in our diets. However, because most people eat foods that contain cholesterol, it's important to avoid excessive amounts. The amount of cholesterol you consume can affect your blood cholesterol levels.
All fats contain about the same number of calories teaspoon for teaspoon.
There is no low-fat fat. Fat is the most concentrated source of calories, supplying more than twice as many calories per gram as either carbohydrates or proteins. Most people tend to get far too much fat in their diets, which contributes to health problems such as obesity, high blood cholesterol, and heart disease. While coconut and palm oils contain no cholesterol, they are high in saturated fat and should be avoided. Fatty acids are the basic chemical units in fat.