Stem Cell Types and Conditions Treated
(A) Sources of stem cells used by stem cell businesses.
(B) Type of stem cell used. For (A) and (B), some businesses indicate use of more than one cell type or cell source.
(C) Types of medical conditions treated by stem cell businesses (see Table S1 for lists of specific conditions included within each category).
(D) Pie charts detailing the breakdown of inflammatory and orthopedic conditions treated. A single business may offer treatment for more than one category of medical condition (see Figure 2C). Data presented reflect information explicitly stated on the website of a given stem cell business (n = 169).