US study that researchers say highlights chemicals’ ubiquity also shows PFAS association with seafood and red meat
New research aimed at identifying foods that contain higher levels of PFAS found people who eat more white rice, coffee, eggs and seafood typically showed more of the toxic chemicals in their plasma and breast milk.
The study checked samples from 3,000 pregnant mothers, and is among the first research to suggest coffee and white rice may be contaminated at higher rates than other foods. It also identified an association between red meat consumption and levels of PFOS, one of the most common and dangerous PFAS compounds.
“The results definitely point toward the need for environmental stewardship, and keeping PFAS out of the environment and food chain,” said Megan Romano, a Dartmouth researcher and lead author. “Now we’re in a situation where they’re everywhere and are going to stick around even if we do aggressive remediation.”
Because of their ubiquitous usage and environmental persistence, humans are exposed to a variety of PFAS, primarily through ingestion of contaminated water and food, though PFAS have also been detected in air, indoor dust, and consumer products (Domingo and Nadal, 2017; Sunderland et al., 2019).
While certain communities can be highly exposed to PFAS due to proximity to an industrial site or occupational exposure, PFAS exposure is ubiquitous among human populations, with 98 % of the U.S. population having detectable concentrations of PFAS in their blood (Calafat et al., 2007; National Center for Environmental Health Agency for Toxic Substances and Disease Registry, 2023).