Alina Nurieva (right) sat with Gabriela Cisneros, an insurance agent from Sunshine Life and Health Advisors, and picked an insurance plan at the Mall of the Americas in Miami last November. Joe Raedle/Getty Images hide caption

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Joe Raedle/Getty Images

Aetna is the latest big health insurer to retreat from the exchanges established under the Affordable Care Act. Jessica Hill/AP hide caption

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Jessica Hill/AP

Aetna Joins Other Major Insurers In Pulling Back From Obamacare

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When your health insurer reclassifies a prescription drug you take from tier 1 to tier 2, it can sharply increase the portion of the drug's cost that you're expected to pay. Roberto Machado Noa/LightRocket via Getty Images hide caption

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Roberto Machado Noa/LightRocket via Getty Images

Peter Lee, executive director of Covered California, the state's health insurance exchange, said the projected rate increases for 2017 are linked to increases in the cost of health care in the state. Rich Pedroncelli/AP hide caption

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Rich Pedroncelli/AP

President Obama speaks in Dallas in 2013 about the technical problems that affected the initial rollout of the Affordable Care Act. Now, citing the law's success, he is urging Congress to expand the insurance offerings. Brendan Smialowski/AFP/Getty Images hide caption

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Brendan Smialowski/AFP/Getty Images

Her income as a New Orleans singer fluctuates with the tourist season, says Lisa Lynn Kotnik, and that's made health insurance too expensive in the past. Now that she has a Medicaid card, getting the health care and medicine she needs should be easier. Courtesy of Skip Bolen hide caption

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Courtesy of Skip Bolen

Louisiana Medicaid Expansion Brings Insurance To Many New Orleans Musicians

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Nuns opposed to the Affordable Care Act's contraceptive mandate rally outside the Supreme Court on March 23 prior to oral arguments in Zubik v. Burwell. The Supreme Court sent the case back to a lower court on Monday. Drew Angerer/Bloomberg/Getty Images hide caption

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Drew Angerer/Bloomberg/Getty Images

Republican presidential candidate Donald Trump has unveiled a health care plan that starts with repealing Obamacare. Maddie McGarvey for The Washington Post/Getty Images hide caption

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Maddie McGarvey for The Washington Post/Getty Images
Hanna Barczyk for NPR

Many Dislike Health Care System But Are Pleased With Their Own Care

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Democratic presidential candidate Hillary Clinton speaks at a Las Vegas high school last Friday. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images

Hillary Clinton Hitches Her Health Care Wagon To Obamacare

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Sen. Bernie Sanders, a 2016 Democratic presidential candidate, has proposed a health care policy he calls "Medicare for All." But some left-leaning economists say the plan doesn't pencil out. Bloomberg/Bloomberg via Getty Images hide caption

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Bloomberg/Bloomberg via Getty Images

Sanders' Health Plan Renews Debate On Universal Coverage

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"Instead of saying, 'We screwed up,' they said, 'Obamacare is the problem and we may not play anymore,' " Covered California's Peter Lee said of UnitedHealth. Rick Loomis/LA Times via Getty Images hide caption

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Rick Loomis/LA Times via Getty Images