The physical benefits of fasting include healing. When you fast you allow your system to rest and rehabilitate itself. It allows your body time to flush out toxic matter that has built up over the years. It actually revives and rejuvenates the millions of cells in your body. It improves circulation, stamina and strength.
Some people do only liquid fasts, consuming only water, broth or juices.
The most common fast is abstinence from all food and liquid except water. It is important to drink at least one quart of water per day while fasting. Under no circumstances should fasting be attempted without advice and approval from one's physician. You should discuss your reasons for wanting to fast with your doctor and together you can come up with a sensible and safe plan according to your individual needs. The benefits of fasting, both spiritual and physical, will be greatly enanced when you know you are doing it the way you should be.