Sarah Kliff

A key Obamacare program that uses bonus payments to improve medical care didn’t work in its first year, new research suggests.

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Since the law’s open enrollment period, the state’s uninsured rate has fallen from 22.5 to 12.4 percent.

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States that embraced Obamacare have seen much faster gains in insurance rates than those that have opposed the law.

Telling patients how much their MRI will cost leads them to choose significantly cheaper options.

Our health care costs, much like Rose Dewitt Bukater, are flying quite high.

Just as the economy rebounds, new research finds, so will Americans’ medial spending.