There’s been a lot of debate in recent years over the use of embryonic stem cells, but stem cells can be retrieved from adults, too. For decades, these cells have been used in the successful treatment of leukemia and other blood cancers.

In recent years, though, some physicians have been touting them as a cure for all sorts of other ailments. A new report out Monday from the Associated Press finds stem cell therapy is a booming business, but is one that's hardly regulated. 

AP health reporter Matthew Perrone wrote the report, and he joins the show with more.