Where you live has a significant impact on the likelihood that you will reach centenarian age, suggests a new study conducted by scientists at Washington State University's Elson S. Floyd College of Medicine.
Published in the International Journal of Environmental Research and Public Health and based on Washington State mortality data, the research team's findings suggest that Washingtonians who live in highly walkable, mixed-age communities may be more likely to live to their 100th birthday. They also found socioeconomic status to be correlated, and an additional analysis showed that geographic clusters where the probability of reaching centenarian age is high are located in urban areas and smaller towns with higher socioeconomic status, including the Seattle area and the region around Pullman, Wash.
When you live in an environment that supports healthy aging, this likely impacts your ability to successfully beat your genetic odds through lifestyle changes.
"Our study adds to the growing body of evidence that social and environmental factors contribute significantly to longevity, said study author Rajan Bhardwaj, a second-year WSU medical student who took an interest in the topic after serving as a home care aide to his aging grandfather. Earlier research, he said, has estimated that heritable factors only explain about 20 to 35% of an individual's chances of reaching centenarian age.
"We know from previous research that you can modify, through behavior, your susceptibility to different diseases based on your genetics," explained Ofer Amram, the study's senior author and an assistant professor who runs WSU's Community Health and Spatial Epidemiology (CHaSE) lab.
In other words, when you live in an environment that supports healthy aging, this likely impacts your ability to successfully beat your genetic odds through lifestyle changes. However, there was a gap in knowledge as to the exact environmental and social factors that make for an environment that best supports living to centenarian age, which this study helped to address.
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