Modifying Role of Sustainable Diets on the Association Between Particulate Matter and Biological Aging: The Guangzhou Biobank Cohort Study - PubMed

3 hours ago

Air pollution (PM2.5 and PM10) accelerates biological aging via oxidative stress and inflammation.
Plant-based diets (Sustainable Diets) may mitigate the effects of air pollution on biological aging.
The study involved 9,527 participants from the Guangzhou Biobank Cohort Study, with a mean age of 64.6 years.
Higher PM2.5 and PM10 exposure was associated with increased phenotypic age and accelerated aging.
Greater adherence to sustainable diets (higher PDI/PHD scores) weakened the association between air pollution and aging.
Stronger associations between pollution and aging were found in individuals with lower genetic predisposition to longevity.
A suggestive link was observed between higher PM exposure and shorter relative telomere length (RTL), especially in older adults and those with cardiovascular diseases.
Sustainable diets rich in plant-based foods may help reduce the aging burden caused by air pollution.

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