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

The standard technique for measuring blood pressure may not be good enough. /iStockphoto.com hide caption

itoggle caption /iStockphoto.com