Alison Kodjak

When the health insurance premiums got to the point that they were higher than her mortgage, Renee Powell started to become cynical.

"There was something in me that just kind of switched," said the mother of two from Bartlesville, Okla. "I was OK with paying $750, but when it became about $100 more than my housing costs, it upset me."

Powell is an epidemiologist and used to work for the state in Oklahoma City. She had affordable insurance through that job.

Need knee replacement surgery? It may be worthwhile to head for Tucson.

That's because the average price for a knee replacement in the Arizona city is $21,976, about $38,000 less than it would in Sacramento, Calif. That's according to a report issued Wednesday by the Health Care Cost Institute.

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White women are dying at a slightly younger age than in the past. That's according to a report released Wednesday by the Centers for Disease Control and Prevention's National Center for Health Statistics.

Insurance giant UnitedHealth Group says it will stop selling insurance on Obamacare exchanges in most states starting next year.

In a Tuesday call detailing UnitedHealth's first quarter earnings, CEO Stephen Hemsley said the company would "remain only in a handful of states," after losing money on the individual health plans it sold on state exchanges.

Insurance giant United Healthcare Group has griped that the Obamacare insurance exchanges for health coverage are money-losers and has threatened to stop selling plans on them.

United Healthcare's latest move is to drop out of the Obamacare insurance market in Oklahoma in 2017. It's the fourth state that the company is abandoning because it says selling insurance plans on exchanges there is unprofitable.

The Obama administration is recruiting as many as 20,000 primary care doctors for an initiative it hopes will change the way physicians get paid and provide care.

The program, which was announced Monday, will be run by the Centers for Medicare and Medicaid Services. The aim is to stop paying doctors based on the number of billable services and visits provided to Medicare beneficiaries and instead to tie payments to overall patient health and outcomes.

Wearing a Fitbit?

If so, you already know that electronic fitness trackers can let you keep records on your smartphone of how many steps you've walked, how much you've slept, maybe your heart rate, or even where you've been.

But what can the gadget tell your doctor? A few things that are pretty useful, it turns out.

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