Books with title Science on the Edge - Stem Cells

One day in the future, a patient with a life-threatening disease may receive a cure that causes disease-affected cells to be replaced by healthy, young cells. This is one of the promises of stem cell research. But is stem cell research ethical? And does it cross over the moral boundaries that determine where life begins?

The process of cloning is nothing new--it occurs in nature every day. The technology of cloning, however, has advanced to the point where animal cloning has succeeded and human cloning is within reach. What are the potential benefits and hazards of this incredible technology?