A cross-sectional X-ray shows what's called a "sunken chest." The bright circle near the bottom is the spine; the gray blob on the right is the heart. Living LLC/Getty Images hide caption

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Magnets May Pull Kids With Sunken Chests Out Of Operating Room
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Hugo Campos' implantable cardioverter-defibrillator was a mystery to him. So he decided to ask his doctor for access to the data. He made this image with one of his own X-rays. Hugo Campos hide caption

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Patients Crusade For Access To Their Medical Device Data
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Surgical robots like this one are wildly expensive. Before the economic troubles began, investment in such high-tech medical devices was plentiful. Now, hospitals are looking for comparatively simple solutions to cut costs: streamline medical billing and even investing in $1 catheters that can save upwards of $50,000. Frank Perry/AFP/Getty Images hide caption

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Forget The Robots: Venture Capitalists Change Their Health Care Investments
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The Big Squeeze: Calif. Weight Loss Clinics Under Investigation
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The upper row of images shows blood samples through a traditional microscope. The bottom row shows the same samples imaged on a smartphone.

Courtesy of Sebastian Wachsmann-Hogiu and colleagues hide caption

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A silicone gel implant (left) and a saline gel implant. The FDA agreed to let implants return to the market in 2006, but stipulated that manufacturers track long-term side effects. Spencer Platt/Getty Images hide caption

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Many people with sleep apnea wear a CPAP machine mask in bed to help them breathe. Amy Walters/iStockphoto.com hide caption

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Sleep Apnea Makes Quick Comeback When Breathing Treatment Stops
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The regulation of medical devices bears a passing resemblance to this giant version of the Rube Goldberg-style game Mouse Trap. Bill Ward/Flickr hide caption

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Doctors perform a kidney transplant operation in Spain in 2010. One in three people with kidney failure has antibodies that make it hard to receive a transplant, but a new treatment can get rid of them prior to transplant. Xurxo Lobato/Cover/Getty Images hide caption

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Treatment Boosts Survival Rates For Some Kidney Transplant Patients
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