Nearly one in ten U.S. adults have been diagnosed with cancer in their lifetime, a new high in Gallup's surveys dating back nearly two decades.

The big picture: Cancer death rates have declined in recent decades, along with incidences of certain types of cancer like lung cancer. But other cancers, notably those associated with obesity, have seen an uptick.

Driving the news: Gallup's data, presented in two-year averages, has shown climbing lifetime cancer diagnosis rates for several years, reaching a new peak in the numbers released Monday. • The share of adults who said they had been diagnosed with cancer hovered at or just above 7% from 2008-2009 period through 2014-2015, before it began to climb.

Between the lines: The seemingly bad news is threaded by a silver lining: One reason fo

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