Cal Halvorsen, an assistant professor at the Brown School and co-author of the study, noted that the impact of 50-199 hours of volunteer activity per year, or 1-4 hours per week, was strongest among retirees compared to workers. This may be because retired seniors receive additional physical activity and a sense of social and meaningful interaction with others. Individually, these attributes are associated with slower epigenetic aging.
In other words, people who volunteer on a biological level age much more slowly. The greatest slowdown in the aging process was associated with volunteering more than 200 hours per year, or an average of more than 4 hours per week. Scientists say this provides a higher dose of social, physical and purposeful interaction that benefits health.
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Source: Ferra

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