Fasting gives 4 to 6 hours rest to the liver. It is utterly impossible without keeping fast because a very little amount of food even one tenth of a gram enters the stomach, whole of the digestion system starts working and liver comes into the equation. Experts say that it can be claimed from scientific point of view that live should take a rest for a month every year. Modern man who pays an extraordinary price for his life, feels himself safe after several medical examinations. But if the Liver gets vocal power it will say to humans "You can give me favor only by Fasting"