What is Intermittent Fasting? Intermittent fasting (IF) is an eating pattern that cycles between periods of eating and fasting. It does not prescribe specific foods to eat but focuses on when you should eat. The main principle behind intermittent fasting is to create periods of calorie restriction, allowing the body to tap into its energy reserves and promote various … [Read more...] about Fasting Facts: Does Intermittent Fasting Works?