It is an American impulse to covet the new and improved—whether it’s a faster computer, a smarter cellphone or a more fuel-efficient car. And in medicine, too, new drugs, devices and procedures have advanced patient care. But the promise of innovation can also prove a trap, a situation now playing out with dire consequences for possibly tens of thousands of people who received artificial hips intended to let them remain active.
In medicine, new isn't always improved
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