RELATED: Miami Valley's health profile improves slightly in 2016
Preble County saw the smallest gain in life expectancy, up about two-and-a-half years from 1980 to 77 years in 2014. Meanwhile, the area’s most populous county, Montgomery County, had life expectancy from birth of about 77 years in 2014, a gain of nearly four years from 1980.
RELATED: Montgomery County ranks low in state health rankings
Statewide, life expectancy increased about five years from 1980 to about 78 years in 2014. That was just below the U.S. average, which climbed from 74 years in 1980 to just over 79 years of life expectancy in 2014.
A variety of factors can affect life expectancy, including income, access to health care, diet, and environment, according to the research group, which found much of the recent improvement in life expectancy can be attributed to the continued reduction in deaths caused by heart disease, cancer, stroke and other causes.
RELATED: Local infant mortality rate improves, still above state average
Over the past two decades, life expectancy at birth has increased in most places around the world.
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