BLOOD STEM CELL TRANSPLANTS ARE USED WIDELY TODAY and will increase in the future. We are in the midst of an important change in the way we treat diseases. Small molecule drugs are being trumped by biological medicines (in terns of annual approvals), and biological medicines may one day be trumped by cellular medicines. We are in the midst of truly fundamental and historic changes in medicine.
http://globenewswire.com/news-release/2013/01/30/519544/10019770/en/1-Millionth-Blood-Stem-Cell-Transplant-Marks-Major-Medical-Milestone.html