Intermittent fasting throws the received diet wisdom of "three square meals a day" out the window. Intermittent fasting allows the body to have a prolonged period of rest without calorie intake. According to the Huffington Post, there are several ways intermittent fasting can be done. The 16:8 method involves consuming all calories within an eight-hour window. The 5:2 diet has two nonconsecutive days of a strict 500-calorie diet and five days of healthy food.
