Research on the cloning of human cells holds the promise of medical benefits, but cloning humans is a far more complex and ethically disturbing issue. Some have argued strenuously that human cloning should be banned permanently. They have called it immoral, repugnant, and abhorrent. Most European countries have already banned it, and others are considering a proscription. While allowing fundamental research in the field to progress, we need a wide debate on human cloning. We need to think about what, if any, circumstances might warrant cloning, as well as the circumstances under which it should never be allowed.
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