How will stem cell technology help patients with disease and advance scientific research?

How will new/novel treatment in cancer help reduce side effects and increase the cure rate? How will stem cell technology help patients with disease and advance scientific research? What cancer cells or stem cells are. The past and current knowledge of the subject matter. Written description of current cancer treatments or stem cell use. Evaluate the strengths and limitations/pros and cons of the solution of new technology to treat cancer or using stem cell to do research or treat patients. Explain how scientists and people think about the new cancer treatment or using stem cells for research or to treat patients. One of these factors: ethical, social, economic, political, cultural, environmental, moral should be discussed.