While governor of Texas, Rick Perry refused to accept federal funds to expand Medicaid. Rick Wilking/Reuters/Landov hide caption

itoggle caption Rick Wilking/Reuters/Landov

Alaskans attend a rally in Anchorage for Medicaid expansion. Jonathan Casurella/Alaska Public Media hide caption

itoggle caption Jonathan Casurella/Alaska Public Media

Florida Gov. Rick Scott speaks Wednesday with reporters in Washington, D.C., after a meeting with Sylvia Burwell, head of the Department of Health and Human Services. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images

St. Agnes Hospital in Baltimore is one of the 131 hospitals run by Ascension Health. It's a not-for-profit, Catholic health care system that treats many low-income patients. St. Agnes Hospital hide caption

itoggle caption St. Agnes Hospital

Florida state Senate president Andy Gardiner, R-Orlando, was applauded by his fellow senators Tuesday, after expressing his disappointment with the Florida House for ending its session three days early, instead of working through the budget clash. Steve Cannon/AP hide caption

itoggle caption Steve Cannon/AP

Michaela leans on her mother, Dee, while talking to Dr. Karin Selva about puberty suppression. Kristian Foden-Vencil/Oregon Public Broadcasting hide caption

itoggle caption Kristian Foden-Vencil/Oregon Public Broadcasting

Johnny Reynolds ignored diabetes symptoms and put off going to the doctor for years when he didn't have health insurance. He was afraid he couldn't afford treatment. Anders Kelto/NPR hide caption

itoggle caption Anders Kelto/NPR

When Alexis Paige lost her job, she was afraid she would have to discontinue her estrogen treatments. That can't happen now under the Oregon Health Plan. Cree Jude Gordon/Courtesy Alexis Paige hide caption

itoggle caption Cree Jude Gordon/Courtesy Alexis Paige

Montana Gov. Steve Bullock is giving Medicaid expansion another try. Matt Volz/AP hide caption

itoggle caption Matt Volz/AP

Gov. Bill Haslam announces his proposal to expand Medicaid in Tennessee on Dec. 15. Under the plan, the hospital association would pay the state's portion of the program. Erik Schelzig/AP hide caption

itoggle caption Erik Schelzig/AP

Donna Giron wheels through the halls of the nursing home she's lived in since May. Finding an affordable home of her own has been difficult. Sarah Jane Tribble/WCPN hide caption

itoggle caption Sarah Jane Tribble/WCPN

Valerie Davidson was appointed health commissioner by Alaska's Gov. Bill Walker to help him expand Medicaid in the state. She'll look for middle ground with Republicans to get it done, she says. Lori Townsend/Alaska Public Media hide caption

itoggle caption Lori Townsend/Alaska Public Media

Andres Cuartas got help from an agent last March when he signed up for health insurance at a Miami mall. In the last year, the percentage of women who are uninsured has dropped more than the percentage of uninsured men. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

One rationale for extending Medicaid coverage to more people is to help them get to a doctor or clinic before a minor illness becomes a medical emergency. iStockphoto hide caption

itoggle caption iStockphoto

Among heroin addicts who are able to quit, 40 to 60 percent relapse within the first year — many within the first weeks of release from a treatment program. Diane Diederich/iStockphoto hide caption

itoggle caption Diane Diederich/iStockphoto

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