Stem Cell Clinics Proliferate Amid Lack of Regulation
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The number of stem cell treatment centers has exploded in recent years – from a handful in 2010 to more than 170 now – although critics say the clinics may offer questionable medical value for a wide range of ailments. In the absence of federal regulations governing their operation, clinics claim the therapy benefits everything from Parkinson’s disease to asthma. (The Associated Press)