Laurel Fontaine, 16, (left) and her twin sister Heather. When Laurel was 11 years old, she suffered a stroke that destroyed 80 percent of the left side of her brain. The singing therapy helped her regain the ability to speak. Ellen Webber for NPR hide caption

itoggle caption Ellen Webber for NPR

Watson Pharmaceuticals, a maker of generic drugs, is rolling out generic Lipitor, or atorvastatin, under a deal with Pfizer. Bill Gallery/AP hide caption

itoggle caption Bill Gallery/AP

Cholesterol-fighter simvastatin, the generic version of Zocor, gets a clean bill of health in an update to a study dating back to '90s. JB Reed/Landov hide caption

itoggle caption JB Reed/Landov

Overweight guys will have even more company in a few years. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Republican presidential candidate Gov. Rick Perry of Texas prepares to speak at a dinner in Bettendorf, Iowa, Monday. Two years ago Perry signed into Texas law an insurance mandate covering controversial tests for heart disease. Charlie Neibergall/AP hide caption

itoggle caption Charlie Neibergall/AP

"Stayin' Alive" is catchy and memorable, but the Bee Gees' smash hit isn't necessarily a good thing to sing to yourself when giving someone CPR. Lennox McLendon/AP hide caption

itoggle caption Lennox McLendon/AP