The 4:3 intermittent fasting approach requires you to eat normally for four days and fast for the other three days of the week. Jump to Key Takeaways. Basic intermittent fasting requires you to take ...

Intermittent fasting focuses on "when" you eat, rather than "what" or "how much." It involves cycling between periods of eating and fasting, with a common schedule being 18 hours of fasting and a ...