Since 1970, the number of fast food restaurants has doubled, which equates to approximately 300,000 establishments in the United States. Coincidentally, 33.8% of the US population is affected by obesity and 19% of children and adolescents are also affected (Muntel, S. Obesity Action Coalition » Fast Food – Is it the Enemy?). These facts demonstrate that the increase in obesity in the world's population is associated with an increase in calorie intake and a lack of adequate physical activity. From 1976 to 1980, the quantity and energy density of foods consumed in the United States increased (NHANES II). Fast food restaurants play a major role in this increase. The reason is that we are surrounded by tasty temptations that cost very little, from fast food menus to processed snacks, said the study's lead author, Ronald Strum, senior economist at the RAND Corporation and Pardee RAND professor of policy analysis . Graduate School, (Carroll, L. 2014, May 22). Fast food not only causes obesity but also ruins our body in many different ways; fast food increases the risk of getting cancer, increases the risk of getting heart disease, and causes constipation. First of all, consuming large amounts of fast food Burger King's Whooper contains 670 calories and 40 grams of fat, Wendy's Bacon Deluxe Double carries 880 calories and 52 grams of fat, and Taco Bell Nachos Bell Grande has 770 calories and 24 grams of fat , (Muntel, S. Obesity Action Coalition » Fast Food - Is it the Enemy?). It is already known that eating out in these places can lead to excessive calorie intake and could lead to obesity. This is true because fast food reduces the success of maintaining weight loss and produces weight