[Wes]

Truth is, the body can't sustain itself on water alone. It needs vitamins that aren't present in water. As stated, people don't realize that true fasting doesn't mean total absence of food. Many people fast without any eating at all, but most often they don't realize the effects it has on their bodies, caring only about weight loss. It's important to lose weight, but also to maintain the health you have.

Besides water, the body needs a minimum dose of a series of vitamins. If you can ensure that, fasting doesn't need to be dangerous. If anything, research that, since it is the most important part.