Fast food is the number one choice for America people. According to this Google, there are close to 50,000 fast food chains across the United States; and nowadays those famous brands like Mcdonalds, KFC, Swensens, are being established their chains more and more in most of Asian countries.

Spending a busy life everyday in this high-tech century, people need cleverness to manage their time. Most of them prefer taking a hasty eating in fast food places than doing busy cooking in their own house. Nevertheless, as this activity provides many benefits to them, it also comes up with some side-effects that catch many attentions of researchers to take actions toward this problem. After conducting many researches, the result suggested that still eating vegetable and fruit is the best.