Intermittent fasting, also known as intermittent energy restriction, is an umbrella term for various meal timing schedules that cycle between voluntary fasting (or reduced calories intake) and non-fasting over a given period.[1][2][3] Three methods of intermittent fasting are alternate-day fasting, periodic fasting, and daily time-restricted feeding.[1][4] Intermittent fasting may be similar to a calorie-restriction diet,[2] and has been studied in the 21st century as a practice to possibly reduce the risk…