Freedom House paramedics, who first were deployed in the 1960s, provided a crucial service for Pittsburgh residents. The program became a national model for emergency medical transport and care. Courtesy of University of Pittsburgh hide caption

itoggle caption Courtesy of University of Pittsburgh

Chris Newman, seen at her home in Los Molinos, Calif., calls the change she helped get made to lung cancer treatment guidelines a "small, but very important victory." Courtesy of Chris Newman hide caption

itoggle caption Courtesy of Chris Newman

Shopping for an MRI scan? Guroo.org, won't yet show you what your local hospital or radiologist charges, but it will reveal the average cost of the test in your area. iStockphoto hide caption

itoggle caption iStockphoto

There's a second chance coming for some people who didn't buy health insurance and would face a big tax penalty for 2015 otherwise. Laughing Stock/Corbis hide caption

itoggle caption Laughing Stock/Corbis

One form of carbapenem-resistant bacteria seen in culture. CRE bacteria are blamed for 600 deaths a year in the U.S. and can withstand treatment by virtually every kind of antibiotic. CDC hide caption

itoggle caption CDC

Measles is highly contagious, and it produces fever and rash in susceptible people who become infected. Hazel Appleton/Health Protection Agency Centre/Science Source hide caption

itoggle caption Hazel Appleton/Health Protection Agency Centre/Science Source