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I think the debate over stem cell usage exists in part because, in the minds of its proponents, the act itself is largely abstract. It's something that takes place in a lab far away, performed by a faceless scientist you'll never meet, and does away with a group of cells too small to see. I do not mean to imply that everyone who supports stem cell research does so for this reason alone, but I think there should be little doubt that this makes that belief easier to stomach, especially among those who hold a more casual opinion of the situation.
How many times have we seen it in movies (to use a topical example)? Some bad guy robs or kills with impunity from guilt until they come face-to-face with the victims of their actions, at which point their conscience is wrought, and they almost inevitably reform. If there are any "victims" of stem cell research (a debatable point, I'll admit), they're ones we'll never have to see. Any thought-out opinion on the matter, I think, has to try to take this into account, much in the same way any opponent of stem cell research has to visualize the diseases that might have been alleviated by it.
All that said, I have strong doubts that the research is promising enough to justify straddling (and possibly crossing) the line from medical science to methodical sacrifice. Even if what's being proposed at the moment is on the acceptable side of that line, we have to ask ourselves if it will stop there. If the research is wildly successful, I find it difficult to believe that a great many people will not be tempted to go further into human development to see what that yields. And if the research isn't so successful, well, then it likely wasn't worthwhile to begin with.
Now, it is entirely possible that society will impose reasonable limits on itself that stop short of the horrors of "harvesting" underdeveloped humans and their organs for the benefit of the living, but make no mistake, that will become an issue if stem cell research becomes a common (and successful) practice.
The question is threefold, then, at the very least: will the research be particularly useful, is the practice moral, and if it is, will it stay that way?
We must avoid at all costs the illusion that we're more important than other generations merely because we happen to exist at this moment in time.
Last edited by Yoda; 12-12-06 at 03:32 PM.