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Physical Activity May Have a Stronger Role than Genes in Longevity

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Physical Activity May Have a Stronger Role than Genes in Longevity

Researches has shown that low physical activity and greater time spent sitting are associated with a higher risk of death. Does risk change if a person is genetically predisposed to live a long life? That is the question researchers at the Herbert Wertheim School of Public Health and Human Longevity Science at University of California San Diego set out to answer in a study published in the August 24, 2022, online edition of the Journal of Aging and Physical Activity. “The goal of this research was to understand whether associations between physical activity and sedentary time with death varied based on different levels of genetic predisposition for longevity,” said lead author Alexander Posis, M.P.H., a fourth-year doctoral student in the San Diego State University/UC San Diego Joint Doctoral Program in Public Health. In 2012, as part of the Women’s Health Initiative Objective Physical Activity and Cardiovascular Health study (OPACH), researchers began measuring the physical activity of 5,446 women in the United States who were 63 and older, following them through 2020 to determine mortality. Participants wore a research-grade accelerometer for up to seven days to measure how much time they spent moving, the intensity of physical activity, and sedentary time.
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