For as long as people have been around, we have been dying. While this very well may seem to be pointing out the obvious, so many of us forget that we, as humans, are mortal beings. Our life span is definitely finite, and necessarily so; just think what would happen if nobody ever perished. Even though we are mortal, we try to hang onto our lives as long as we can; fear of death and wanting to live forever are, after all, part of human nature. Sometimes, however, medicine takes advantage of this aspect of humanity and, to a great extent, ....