Remember when Marty McFly desperately tried to warn the 1955 Doc Emmett Brown that in 1985, Doc was going to be gunned down by Libyan terrorists in Back to the Future? Doc insists that he doesn’t want to know about the future. How about you? Would you want know in advance when you are going to die? New research out of the UK can tell you the chances you’ll still be alive in five years based on your answers to some very simple questions.