Clinical trials, the process of putting new medical treatments through their paces in a real-life (human patient) setting, are conducted all the time. If the results of a trial are favorable, the treatment is introduced to the general public. If not, it's back to the drawing board for the research scientists. Sounds pretty straightforward, doesn't it? On the surface, yes. But when you really start to think about it, clinical trials can open up a medical-ethics can of worms.
Cancer...
