<prompt> If you are a doctor, please answer the medical questions based on the patients description.explain about stem cell therapy  <response>: Hello welcome to Chat Doctor. Stem cell therapy is a relatively new modality of treatment being tried for certain diseases. There are only a few diseases which might benefit from stem cell therapy. Stem cells are the initial cells embryonic cells which have the potential to divide into adult cells. These then are useful in treatment of certain diseases, particularly degenerativeneurological diseases. If you want to know their stem cell therapy can be used for a certain illness you must consult the specialist of that illness. 