By CASC4DE June 6, 2025

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A recent scientific study has raised new concerns about the presence of PFAS—often called “forever chemicals”—in one of the world’s most popular beverages: beer.
Published in Environmental Science & Technology and led by researcher Jennifer Hoponick Redmon, the study analysed 23 beers (20 American and 3 international) and found that 96% of them contained at least one detectable PFAS compound out of the 17 tested. PFAS are synthetic substances widely used in non-stick coatings, food packaging, firefighting foams, and various industrial products. đź§Ş Known for their extreme persistence in the environment, PFAS are increasingly linked to health and ecological risks.
🔍 Key Findings:
- 96% of beers tested contained at least one PFAS.
- PFAS concentrations varied by region, with some exceeding recommended drinking water thresholds.
- A direct link was found between PFAS levels in beers and the quality of local water sources used in brewing. đź’§
- Beers brewed in areas contaminated by firefighting foams—particularly around military bases and airports—had the highest PFAS levels. 🚒
âś… Safer Production Is Possible
Interestingly, two beers—one from Mexico and another from the Netherlands—had either undetectable or extremely low levels of PFAS. 🍻 This suggests that safer brewing practices are achievable. The researchers advocate for the use of advanced filtration techniques such as activated carbon and reverse osmosis to reduce contamination in brewing water.
⚠️ Why This Matters
PFAS pose a serious public health and environmental challenge, and their presence in everyday products—like beer—highlights how pervasive and persistent these chemicals have become in our food system. This study underscores the urgency of increased monitoring, regulation, and public awareness to limit exposure and promote safer alternatives.