Fast food has come under criticism over concerns ranging from claimed negative health effects, alleged animal cruelty, cases of worker exploitation, and claims of cultural degradation via shifts in people's eating patterns away from traditional foods. Fast food chains have come under fire from consumer groups, such as the Center for Science in the Public Interest, a longtime fast food critic over issues such as caloric content, trans fats and portion sizes. Social scientists have highlighted how the prominence of fast food narratives in popular urban legendssuggests that modern consumers have an ambivalent relationship (characterized by guilt) with fast food, particularly in relation to children.[1]
This guilt is projected onto processed food, where bizarre tales of contamination and lax standards are widely believed. Some of the concerns have led to the rise of the slow food, or local food movements. These movements seek to preserve local cuisines and ingredients, and directly oppose laws and habits that favor fast food choices. Proponents of the slow food movement try to educate consumers about what its members considers the richer, more varied and more nourishing tastes of fresh, local ingredients that have been recently harvested.
Health based criticisms
According to the Massachusetts Medical Society Committee on Nutrition, fast food is especially high in fat content, and studies have found associations between fast food intake and increased body mass index (BMI) and weight gain.[2] A 2006 study[3] fed monkeys adiet consisting of a similar level of trans fats as what a person who ate fast food regularly would consume. Both diets contained the same overall number ofcalories. It was found that the monkeys who consumed higher level of trans fat developed more abdominal fat than those fed a diet rich in unsaturated fats. They also developed signs of insulin resistance, which is an early indicator of diabetes. After six years on the diet, the trans fat fed monkeys had gained 7.2% of their body weight, compared to just 1.8% in the unsaturated fat group.
The director of the obesity program for the Children's Hospital Boston,David Ludwig, claims that "fast food consumption has been shown to increase calorie intake, promote weight gain, and elevate risk for diabetes". Excessive calories are another issue with fast food. According to B. Lin and E. Frazao, from the Department of Agriculture, states the percentage of calories which attribute to fast-food consumption has increased from 3% to 12% of the total calories consumed in the United States.[2] A regular meal at McDonald's consists of a Big Mac, large fries, and a large Coca-Cola drink amounting to 1,430 calories. A diet of approximately 2,000 calories is considered a healthy amount of calories for an entire day (which is different depending on several factors such as age, weight, height, physical activity and gender). This number of calories was set in 1917.
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