Key Takeaways 4:3 intermittent fasting is a plan in which you fast on any three days a week and eat normally four days a week. It may help with blood sugar control, weight loss, and heart health.

Nutrition Viral Korean diet promises to burn fat but maintain muscle in 4 weeks — here’s how it works By Tracy Swartz Published April 25, 2025, 6:00 a.m. ET ...