Destroyed vehicles are piled up in the parking lot of the Joplin Regional Medical Center in Joplin, Mo., after a tornado moved through the city, damaging the hospital and hundreds of homes and businesses. Mark Schiefelbein/AP hide caption

itoggle caption Mark Schiefelbein/AP

Most doctors surveyed said they think visits to emergency rooms will increase as the new health law is implemented. iStockphoto.com hide caption

itoggle caption iStockphoto.com

A nurse uses an alcohol-based hand gel. A new $1 billion proposal from Health and Human Services aims to cut down on preventable hospital infections and patient readmissions. Dave Weaver/Associated Press hide caption

itoggle caption Dave Weaver/Associated Press