A new study has raised serious concerns about the safety of Greek eggs, revealing high concentrations of PFAS (per- and polyfluoroalkyl substances)—toxic “forever chemicals”—alongside traces of pesticides and pharmaceutical residues.
PFAS are synthetic compounds widely linked to cancer, liver, and immune system damage, as well as developmental problems in children. Previous research in France, Germany, and Denmark has documented extensive egg contamination. Until recently, it was unclear whether there was a similar issue with eggs in Greece.
The study on Greek eggs
The research, conducted by scientists at the University of the Aegean and the National and Kapodistrian University of Athens (EKPA), was published in the journal Science of The Total Environment. The team analyzed 75 eggs collected from backyard flocks in Serres, Magnesia, Boeotia, Attica, and Ilia.
The results on Greek eggs were alarming: every single sample contained PFAS, and more than half exceeded the European Union’s allowable limits. In Ilia, all samples surpassed the safety thresholds set by the European Food Safety Authority (EFSA) for every age group.
Average concentrations of PFOS (perfluorooctane sulfonate), PFHxS (perfluorohexane sulfonate), and PFBA (perfluorobutanoic acid) were found at particularly high levels. Researchers warned that both teenagers and older adults in Greece are likely exceeding the safe weekly intake levels, posing clear risks to consumer health.
Pesticides and pharmaceuticals detected
For the first time, the study on Greek eggs also detected residues of pharmaceuticals and six different pesticides in Greek eggs. The insect repellent DEET (N,N-diethyl-meta-toluamide) was present in all samples, while oxonic acid, an antimicrobial drug, was the most commonly identified pharmaceutical compound.
Although heavy metals were detected at relatively low levels, scientists stressed that the widespread presence of PFAS alone represents a serious public health threat. They urged further investigation into contamination sources and the implementation of immediate protective measures to safeguard food safety.
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