Stem cell therapy is the use of stem cells to treat or prevent a disease or condition. Bone marrow transplant is the most widely used stem cell therapy. Bone-marrow has been used to treat cancer patients with conditions such as leukaemia andlymphoma. Stem cell treatment protocols employ well-targeted combinations of allogeneic human umbilical cord stem cells, autologous bone marrow stem cells, and autologous adipose stem cells, and to treat the diseases.