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If you live in an area with more high-heat days, with a heat index above 90°F, you are likely to experience faster biological aging than if you reside in a cooler region. In fact, you are likely to age an extra 14 months over a six-year period.
This study from the University of Southern California just published in Science measured epigenetic changes in 3,686 subjects 56 years old and older. DNA methylation patterns were used to estimate biological aging. The data suggests that extreme heat may speed up aging in older adults at the molecular level.
Older adults are vulnerable to heat-driven body damage because ineffective sweating makes it harder for their bodies to cool down. This latest information suggests that traditional warm weather retirement destinations that now clock many days of extreme heat may be unhealthy.
https://www.science.org/doi/10.1126/sciadv.adr0616
#heat #aging
