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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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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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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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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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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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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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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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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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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The price of getting a health insurance card may seem expensive, but officials say the minimum tax penalty for remaining uninsured is $695, and could rise to more than $10,000 for wealthy families who choose not to get coverage. Photo Alto/Getty Images hide caption

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Duke Gillingham, president of Oasis Foods, in Hillside, N.J., says about two-thirds of his roughly 180 employees declined to enroll in the company health plan for 2015. Many make less than $15 an hour, and found the company plan too expensive. Fred Mogul/WNYC hide caption

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N.J. Factory Turns To Medicaid To Insure Lowest-Paid Employees

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Dr. Irene Aguilar, a Democrat and Colorado state senator from Denver County, is also a medical internist and advocate of universal health care. She led this Denver rally in favor of the 2016 ballot measure. John Daley/Colorado Public Radio hide caption

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Coloradans Will Put Single-Payer Health Care To A Vote

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