12 November 2018 - Two decades ago, the costs began rising well beyond that of other nations, and in recent years have shot up again. What can explain it?

There was a time when America approximated other wealthy countries in drug spending. But in the late 1990s, U.S. spending took off. It tripled between 1997 and 2007, according to a study in Health Affairs.

Then a slowdown lasted until about 2013, before spending shot up again. What explains these trends?

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