While fats have lately acquired a bad image, one should not forget how essential they are. Fats provide the body´s best means of storing energy, far more efficient energy sources than either carbohydrates or proteins. They act as insulation against cold, as cushioning for the internal organs and as lubricants. Without fats, there would be no way to utilize fat-soluble vitamins. Furthermore, some fats contain fatty acids that contain necessary growth factors and help with the digestion of other foods.
The main idea of this paragraph is that: