http://terrisfight.org/
Look under the videos of terri. Enlighten yourself.
Here is a horrible article at ABC News.
How Will Terri Schiavo Die?
The Body's Mechanisms for Allowing Death Can Be Very Peaceful
http://abcnews.go.com/Health/Schiavo/story?id=531907&page=1
"The process of starving to death seems very barbaric but in actuality is very peaceful," said Dr. Fred Mirarchi, assistant clinical professor of emergency medicine at Drexel University College of Medicine in Philadelphia.
Some people can last four or five days — some people can last 20 days," she said.
"It depends on whether she has the ability to swallow anything — and if that anything is offered," she said. "If she's unable to swallow anything, the course toward dying, so far as anyone can tell, is fairly comfortable."
Most patients who cannot eat or drink will enter a physical state known as ketosis. During ketosis the body begins to use fat and muscle as a fuel source.
In advanced cases of ketosis, the nervous system response is dulled, and patients rarely feel pain, hunger or thirst. There is also some evidence that ketosis can produce a state of well-being or mild euphoria.
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But if we tried to starve criminals sentecned to death, as a method of execution, just watch all the same people scream what "cruel and unusual punishment" that is.