A guinea pig does its part for science and human relations by sitting on the lap of an autistic child. Erin Burnett/Courtesy of Maggie O'Haire hide caption

itoggle caption Erin Burnett/Courtesy of Maggie O'Haire

Giancario Gemignani-Hernandez, 2, of Pittsburgh has his ear examined by Dr. Alejandro Hoberman. Gene J. Puskar/AP hide caption

itoggle caption Gene J. Puskar/AP

Plan B is one of two emergency contraceptives available in the U.S. UPI/Landov hide caption

itoggle caption UPI/Landov

Kimberly Delp gives a flu shot to Carleen Matthews at the Homewood Senior Center in Pittsburgh, Pa., last September. Andrew Rush/AP hide caption

itoggle caption Andrew Rush/AP

Larry Bonassar shows off an ear that he and his colleagues at Cornell University built out of living cartilage cells with the help of a 3-D printer. Lindsay France/Cornell University Photography hide caption

itoggle caption Lindsay France/Cornell University Photography

Colonoscopy copay? Zero. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Health plans are required to pay for contraceptives, but the clinics that are common sources of family planning services aren't used to dealing with insurers. iStockphoto.com hide caption

itoggle caption iStockphoto.com

STAR-certified physical therapist Jennifer Goyette works with cancer patients at South County Physical Therapy in Westborough, Mass. Courtesy of Jennifer Goyette hide caption

itoggle caption Courtesy of Jennifer Goyette