January 29, 1999

Legal, Ethical, and Social Concerns in the Debate Over Stem-Cell Research

By LORI B. ANDREWS

Three separate groups of researchers recently made the startling announcement that they had isolated the most coveted of human cells: embryonic stem cells, primitive cells that can grow into every type of body tissue, including nerves, bones, and muscles. Researchers believe that these cells will provide information about the biology of human development that will lead to many new medical discoveries. In the future,

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