Fast food chains such as McDonald's, Burger King and Wendy's sell many products that are almost inedible due to unhealthy and even presentation. The link between fast food consumption and obesity is causal. Obesity, especially during childhood, has both individual and environmental causes. It easily makes people feel bad about themselves, leading them to unhappiness. As for presentation, these fast food chains use 99% fake “food” in any advertising. If you ever tried to eat the food that looks appetizing in their advertisements, you would be hospitalized in no time. The health and presentation of any fast food restaurant should be improved greatly due to the mental and physical unhealthiness and misleading presentation. One important thing about fast food that contributes to its poor side is its unhealthiness. The scientific findings and corresponding public health implications of the association between fast food consumption and weight gain are critical. The American Population Study Cardia suggests that frequent consumption of fast food is associated with weight gain. People who eat fast food two or more times a week are more likely to gain 10 pounds more weight than those who eat just one fast food meal a week. Frequent consumption of fast food also leads to type 2 diabetes and coronary heart disease. In the movie Supersize Me, Morgan Spurlock gained 25 pounds by eating McDonald's three times a day for 30 consecutive days. Obesity is a serious health problem. Obesity due to frequent consumption of fast food has very powerful biological effects. Children who consume fast food are likely to be unhappy due to the risk of obesity. The consumption of fast food and soft drinks is positively associated with chi...... middle of paper ......helps you in the long term. Works quoted "As cute as their picture?". Consumer Reports 79.2 (2014): 12. MasterFILE Premier. Network. April 3, 2014. "Neighborhood fast food restaurants and fast food consumption: a national study." BMC Public Health 11.1 (2011): 543-550. Premier of academic research. Network. April 3, 2014. Hung-Hao, Chang, and Rodolfo M. Nayga Jr. “Childhood Obesity and Unhappiness: The Influence of Soft Drinks and Fast Food Consumption.” Journal of Happiness Studies 11.3 (2010): 261-275. Premier of academic research. Network. April 3, 2014.Stender, S., J. Dyerberg, and A. Astrup. “Fast Food: Rude and Unhealthy.” International Journal of Obesity 31.6 (2007): 887-890.Academic Search Premier. Network. April 3, 2014. "Clinical Digest. Childhood obesity linked to number of fast food restaurants near schools." Nursing Standard 26.46 (2012): 16. Premier academic research. Network. April 3. 2014.