https://www.washingtonpost.com/nati...db33a5eef83_story.html?utm_term=.70bb297cfb65 "Stem cell research is one of science’s most promising fields. Scientists believe stem cells may someday be used to repair or replace tissues and organs lost to age or disease, though they say effective therapies are still years away. Hundreds of clinics, however, have already popped up across the country offering expensive treatments that are unproven by clinical trials and largely unregulated by the government. Critics say these treatments have caused patients physical and financial harm. Here’s what consumers need to know:........"