Rachel Bateman, 9, has braces to correct an overbite. Her orthodontist opted not to use expanders to expand her upper arch. Mike Ruocco/NPR hide caption

itoggle caption Mike Ruocco/NPR

European regulators have decided to take Avandia off the market. FDA will allow further sales, with heavy restrictions. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images