Stem cells are magic. Stem cells cure everything. They are the next big thing in medicine.
That's the narrative one frequently hears about stem cells in the press and courtesy of offshore stem cell clinics in places such as Italy and direct-to-consumer marketing of stem cells in the US. Of course, stem cells aren't mystical and magical, although they are very promising as a treatment for some degenerative conditions. As promising as they are, though, they don't cure everything. In fact, we don't even know for sure that they cure anything because for the vast majority of conditions for which…