Weighing the pros and cons of stem cell research

Weighing the pros and cons of stem cell research

The hope for new therapies carries a heavy ethical dilemma: embryonic stem cells are obtained from early embryos – and these are destroyed. Despite many protests, embryonic stem cells are being tested in humans. Four trials have received approval so far, and on October 11, 2010, the first human embryonic cells were injected into the spinal cord. For some it is the first step in curing common diseases, for others, it is an ethical crime.

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