Life expectancy increased overall in the United States between 2000 and 2015, but opioid-related deaths reduced the gains made, according to a Centers for Disease Control and Prevention study published today.

The bottom line: U.S. life expectancy was steadily rising since 1970 but stopped in 2014, mostly because of drug-related deaths.

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Data: Journal of the American Medical Association; Chart: Chris Canipe / Axios

Key findings: