The #1 Absolute Best Way to Balance Your Hormones – Dr. Berg

Intermittent fasting is a dieting technique. It is often abbreviated to IF. It involves meal timing cycles and schedules which restrict energy. As opposed to restricting food and calories.
Many people assume that fasting is starvation. That assumption is incorrect. Starvation is an involuntary uncontrolled period without food. Whereas fasting is voluntary and controlled. Fasting, especially intermittent fasting, is for health, religious and spiritual reasons. 
https://fcer.org/intermittent-fasting-benefits/