Years ago, Malcolm Gladwell wrote a mega-bestseller called "Blink," arguing that sometimes we make better choices unconsciously, in the blink of an eye, than we do after careful consideration.
New research suggests that there can be a certain "Blink" element to breast cancer screening — not in medical practice, but in doctors' brains. It found that radiologists can be strikingly good at detecting even subtle abnormalities on a mammogram at first glance, in a split second.
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