FDA puts company on notice for marketing unapproved stem cell products for treating serious conditions

Arizona company claims their products can treat Lyme disease, diabetes, Parkinson’s disease and more, but have not been approved for any use The U.S. Food and Drug Administration has sent an untitled letter to R3 Stem Cell, LLC (/media/126709/download) of Scottsdale, Arizona, and its chief executive officer, David Greene, M.D. The company, through its affiliated