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Brain imaging experiments found patterns associated with attention span. iStockphoto hide caption

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Mendocino, Calif., lures vacationing tourists and retirees. But the lone hospital on this remote stretch of coast, in nearby Fort Bragg, is struggling financially. David McSpadden/Wikimedia hide caption

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A group at MIT built this tiny package of sensors to collect vital signs as it travels through the digestive system. Albert Swiston/MIT hide caption

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Testing for prostate cancer has declined after a recommendation in 2012 said it shouldn't be routine. iStockphoto hide caption

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An image from the Allen Institute's Brain Explorer shows gene expression across the human brain. Courtesy of Allen Institute For Brain Science hide caption

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Four pregnant women sit in lotus position. Thomas Northcut/Getty Images hide caption

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Omar looks through Kai's photo book. The charges for the infant's six months of care in the neonatal intensive care unit totaled about $11 million, according to the family, though their insurer very likely negotiated a lower rate. Heidi de Marco/KHN hide caption

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