American rates of overweight and obesity are high, and the prevalence of obesity
has continued to rise over the past few decades. Excessive consumption of fast food has
been one of the multiple contributing factors driving the overweight and obese epidemic.
This literature review summarizes the disadvantages of fast food on people’s health,
reveals common people’s average fast food consumption. Based on this background,
the paper is to explore factors why some people choose not to consume fast food, as
well as factors why some people choose to consume fast food, and to summarize some
recommendations that can help reduce the consumption of fast food from the studies
that have been already done.