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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Mark Bertolini, CEO of Aetna, told the Justice Department in July that the insurer would walk away from many health exchanges if the government opposed the company's proposed deal for Humana. On Tuesday, Aetna followed through. Andrew Harrer/Bloomberg via Getty Images hide caption

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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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Aetna Joins Other Major Insurers In Pulling Back From Obamacare

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Health insurance plans may exclude coverage for many types of genetic testing that aren't required by law. Andrew Brookes/Getty Images hide caption

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Express Scripts assures patients it has a policy of not putting cancer medicine or mental health drugs on the list of products it excludes from its formulary. Fuse/Getty Images hide caption

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Will Your Prescription Meds Be Covered Next Year? Better Check!

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When used in conjunction with counseling, Suboxone strips placed under the tongue can help ease opioid cravings and other withdrawal symptoms in people trying to quit a heroin or painkiller habit, doctors say. Jake Harper/Side Effects Public Media hide caption

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Insurance Rules Can Hamper Recovery From Opioid Addiction

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"I believe that health care is a right, not a privilege," Sen. Bernie Sanders told Denver supporters in February. ColoradoCare supporters hope to leverage his charisma for a win on their state amendment. Marc Piscotty/Getty Images hide caption

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Campaign For Universal Health Care In Colorado Seeks Bernie Sanders' Help

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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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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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Toddlers need consistent care from a pediatrician to make sure, among other things, that they are hitting developmental milestones and their vaccinations are up-to-date. Tetra Images/Getty Images hide caption

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A guide works on the federal enrollment website as she helps a Delaware resident sign up for coverage under the Affordable Care Act in 2014. Andrew Harrer/Bloomberg via Getty Images 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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