There are lots of different types of treatments out there that are called “knee stem cells,” but few involve any actual stem cells. For example, a common one is called an “umbilical cord” stem cell therapy, but this is a scam. Why? Our lab and several others has done this research and shown that the umbilical cord products being used by these clinics contain no actual mesenchymal stem cells (MSCs), despite claims to the contrary (1-3). You will have to log in or register to view the full content.