The LAT fronts a report raising concerns about the increasing use of CT scans. The technology provides doctors with a vital diagnostic tool but also boosts exposure to radiation. One controversial study estimates that scans being administered today could be responsible for up to 2 percent of cancer deaths in two or three decades. "In 20 or 30 years, the radiation debate will be like the smoking debate today," says one researcher. "People will say, 'Why did I get this imaging in the first place?' "
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