Delphinus delphis

1. Per- and polyfluoroalkyl substances are associated with epigenetic age in D. delphis (+0.031 years in biological age per 1 ng g□1 increase in total PFAS).

   “Each 1 ng g□1 increase in total PFAS was associated with an average increase of 0.031 years in biological age.”

   Animalsstranded or bycaught dolphins from New Zealand waters; total PFAS measured in liverskinn = 30

   PFAS exposure is associated with accelerated epigenetic ageing in a wild marine mammal

   bioRxiv (Cold Spring Harbor Laboratory)·31 May 2026Preprint

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