Oil is the primary reason for the unnecessary collection of fat in the body and increasing the cholesterol levels to a great extent. Fitness experts and doctors advice people using oil in a limited manner and consume fresh vegetables and fruits as diets to lose fat. Some people consider if they fast, the fat amount will reduce in their bodies but this will not happen but instead the person will faint or become unconscious. The junk food and the fried items must be strictly avoided and these form the main causes of the excess fat in the human body. The regular consumption of the junk food like pizza, burger, and snacks cause the body to swell and most of the Americans are more than fat as they are addicted to eating junk food on a regular basis. This has made the American nation to declare Obesity as a national disease and a lot of measures are being under taken by the American government to create awareness on the diets to lose fat to its people. Water is essential for the body and one has to drink one cup of water after getting up early in the morning as this will refresh the nervous system of the body. Then drinking water after bathing reduces the blood pressure. Fitness experts also advice people to drink enough water and follow the diets to lose fat. Mostly people have to consult the doctors individually to get diets to lose fat as the diet will change from person to person depending up on their body condition. The film actresses will be always on diets to lose fat and get the size zero which is popular all over the world. Some actresses in order to get the size zero figure and shape skip the meals and there are cases where they faint in the cinema shooting spot because of the diet. Food is the source of all diseases and human welfare and by eating the right food, one can live for long. There are evidences that humans have lived for 500 years in the past by being natural but now a lot of artificial elements have come and with the sophisticated medical technologies, the maximum age of humans is 100 and the average living age has reduced to 50 and is likely to get more worse as the people consume a lot of artificial flavors and the natural food is very rare in the metro and urban cities.