Some fear that with rising medical costs and an aging population, the country's nursing staff will be stretched too thin. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Patients continue to complain that physicians don't spend enough time examining and talking with them. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Amber Cooper lives in Modesto, Calif., with her 5-year-old son, Jaden, and her husband, Kevin. She had a liver transplant when she was 10 years old and has to take anti-rejection medication. Deanne Fitzmaurice for NPR hide caption

itoggle caption Deanne Fitzmaurice for NPR

Douglas Harlow Brown, 80, of East Lansing, Mich., watches birds inside a medical rehab facility. Brittney Lohmiller for NPR hide caption

itoggle caption Brittney Lohmiller for NPR