why do we need fat in our body

Why do we need fat in our diet? Fat provides needed energy. It is difficult to eat the large amounts of food in a very low fat diet to get all the energy you need. Fat is needed to prevent essential fatty acid deficiency. Fat is needed so your body can absorb the fat soluble vitamins A, S, E, K, and prevent deficiencies of these vitamins. Fat provides flavor and texture to help prevent food from being bland and dry. Fat helps food to stay in the stomach longer, giving a greater sense of satisfaction and preventing hunger soon after meals.

Fat may help your body produce endorphins (natural substances in the brain that produce pleasurable feelings). Diets too low in fat (less than 20 - 25%) may trigger cravings. What does fat do for our body? Provides back-up energy if blood sugar supplies run out (after 4-6 hours without food). Provides insulation under the skin from the cold and the heat. Protects organs and bones from shock and provides support for organs. Fat surrounds and insulates nerve fibers to help transmit nerve impulses.

Fat is part of every cell membrane in the body. It helps transport nutrients and metabolites across cell membranes. Your body uses fat to make a variety of other building blocks needed for everything from hormones to immune function. What happens when we don't have enough fat in our diet? Dry, scaly skin
A healthy body needs some fat, which contains essential nutrients. Your body uses dietary fat to make tissue and manufacture biochemicals, such as hormones.

Fats in your diet are sources of energy that add flavor to food the sizzle on the steak, you can say. However, fats may also be hazardous to your health. The trick is separating the good from the bad. The chemical family name for fats and related compounds such as cholesterol is lipids. Liquid fats are called oils ; solid fats are called, well, fat. With the exception of cholesterol, fats are high-energy nutrients. Gram for gram, fats have more than twice as much energy potential (calories) as protein and carbohydrates (affectionately referred to as carbs): 9 calories per fat gram versus 4 calories per gram for proteins and carbs.

Some of the body fat made from food fat is visible. Even though your skin covers it, you can see the fat in the adipose (fatty) tissue in female breasts, hips, thighs, buttocks, and belly or male abdomen and shoulders. This visible body fat Cushions your skin (imagine sitting in your chair for a while as you enjoy your visit to Dummies. com without your buttocks to pillow your bones) Other body fat is invisible.

You can t see this body fat because it s tucked away in and around your internal organs. This hidden fat is A component of myelin, the fatty material that sheathes nerve cells and makes it possible for them to fire the electrical messages that enable you to think, see, speak, move, and perform the multitude of tasks natural to a living body; brain tissue also is rich in fat A constituent of hormones and other biochemicals, such as vitamin D and bile