Arkansas, Kentucky, Delaware and Colorado have all seen significant increases since 2013 in the percentage of residents who have health insurance. Vectoraart/iStockphoto hide caption

itoggle caption Vectoraart/iStockphoto

Carmen Smith, 44, shows son Roland, 6, her new perfume. The Cleveland resident says getting on Medicaid has made it much easier to manage her diabetes. Sarah Jane Tribble/WCPN hide caption

itoggle caption Sarah Jane Tribble/WCPN

Doctors say they need to accept patients with a variety of types of insurance in order for them to stay in businesses. iStockphoto hide caption

itoggle caption iStockphoto

Residents fear that the economy of Belhaven, N.C., will collapse because its hospital closed. "How many people go retire somewhere where it doesn't even have a hospital?" asks the mayor. Hyun Namkoong hide caption

itoggle caption Hyun Namkoong

Lissette Encarnacion in her apartment at The Brook, a supportive housing complex in the New York City borough of the Bronx. Natalie Fertig/WNYC hide caption

itoggle caption Natalie Fertig/WNYC

Juanita Alvarado (right), a community health worker at the Transitions Clinic in San Francisco, helps a patient. courtesy of Transitions Clinic hide caption

itoggle caption courtesy of Transitions Clinic

Cornell University in Ithaca, N.Y., says having Medicaid pay for some students' coverage through the school health plan will give those students better options. Alex/Flickr hide caption

itoggle caption Alex/Flickr

A check of Medicare's new database of payments to physicians confirms that at least $6 million in 2012 went to doctors who had been indicted or otherwise sanctioned. iStockphoto hide caption

itoggle caption iStockphoto

Cheryl Stumph goes over paperwork with a medical worker. She finally has health insurance to take care of her family's medical needs. Kristian Foden-Vencil for NPR hide caption

itoggle caption Kristian Foden-Vencil for NPR

When Brad Stevens was young, his only "health insurance" was taking tons of vitamins and spending three hours at the gym every day. But after a serious bike accident and an expensive battle with thyroid cancer, the 59-year-old realized nobody's invincible. Heidi de Marco/Kaiser Health News hide caption

itoggle caption Heidi de Marco/Kaiser Health News

John Martin, 24, was uninsured until a health care navigator told him he could get coverage through his parents' health plan. Jenny Gold hide caption

itoggle caption Jenny Gold

Henry Ford Hospital treats Detroit residents. About 1 in 3 residents of that city is uninsured, and the hospital CEO hopes Medicaid expansion will increase the number of people with health insurance. Eric Whitney hide caption

itoggle caption Eric Whitney

Does having health insurance make it less likely that people will come to the ER? No, says a study in Oregon. iStockphoto hide caption

itoggle caption iStockphoto

Dr. Tim Ihrig, a palliative care physician, treats Augie Avelleyra, 93, at his home in Fort Dodge, Iowa. Courtesy of Paula Avelleyra hide caption

itoggle caption Courtesy of Paula Avelleyra