Houston firefighters learn to use a video chat program that will let them consult with an emergency medicine doctor while responding to 911 calls. Courtesy of Houston Fire Department hide caption

itoggle caption Courtesy of Houston Fire Department

Depending on the amount taken in subsidies, or changes in reported income and family status, some Obamacare policyholders this year will get a bigger refund than expected and others will owe more in taxes. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP

NYU medical student Sara Stream (left) examines dancer Jazlyn Caing, who visited the clinic for low-grade orthopedic and respiratory problems. Fred Mogul/WNYC hide caption

itoggle caption Fred Mogul/WNYC

Tax preparation software doesn't always calculate the complexity of Affordable Care Act subsidies and credits properly. Daniel Acker/Bloomberg via Getty Images hide caption

itoggle caption Daniel Acker/Bloomberg via Getty Images

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

If you're a New Yorker shopping for health insurance on the state's exchange, you won't be able to find a health plan with out-of-network coverage unless you live around Albany or in the far western part of the state. iStockphoto hide caption

itoggle caption iStockphoto

University of Notre Dame contends that the act of signing a form opting out of the Affordable Care Act's birth control mandate makes the school complicit in providing coverage. Getty Images hide caption

itoggle caption Getty Images

U.S. taxpayers have poured $30 billion into funding electronic records systems in hospitals and doctors' offices since 2009. But most of those systems still can't talk to each other, which makes transfer of medical information tough. iStockphoto hide caption

itoggle caption iStockphoto

Latoya Watson of Washington, D.C., cheers during a rally outside the Supreme Court on Wednesday, when the justices heard arguments in King v. Burwell. Andrew Harnik/AP hide caption

itoggle caption Andrew Harnik/AP

Fans and foes of Obamacare jockeyed for position outside the Supreme Court Wednesday. Inside, the justices weighed arguments in the case of King v. Burwell, which challenges a key part of the federal health law. Pete Marovich/UPI/Landov hide caption

itoggle caption Pete Marovich/UPI/Landov

Supporters of the Affordable Care Act gather in front of the U.S Supreme Court during a rally Wednesday. The court heard arguments in the case and is expected to announce its decision in June. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images

Opponents of the Affordable Care Act protest outside the Supreme Court Wednesday before oral arguments in the second major challenge to be heard by the justices. Jim Lo Scalzo/EPA/Landov hide caption

itoggle caption Jim Lo Scalzo/EPA/Landov