Summers are the hottest season of the year, which makes the body give up more heat in the process. To keep the fluid balance normal within the body, it is important to remain hydrated at all times. Green vegetables, water substitutes, and enough nutrients are necessary to keep the body active and fit during the hot summer days. There are several food items to keep cool during the summer season, and the top 10 best foods are described below for the readers to check out.