TrueNorth Health Center
Fasting and health retreat in California.  Supervised water fasting can be very beneficial for many people.  This website has lots of educational materials if you are interested to learn more.

Following is a paragraph from the website ...

Results of Fasting
Fasting is a powerful and effective tool in a comprehensive program designed to promote the restoration and maintenance of a healthy lifestyle.  Fasting can help people get on (or back on) track to healthful living.  Fasting is not a cure.  It is a process that may facilitate the body's own healing mechanisms.  It is a gift to an overburdened body.  It can be extremely effective at creating an internal environment where the body can do what it does best - cleanse and heal itself.