Study Links PFAS Chemicals to Higher Risk of Aggressive Breast Cancer

A new study by the National Institutes of Health (NIH) suggests a possible connection between elevated levels of two specific per- and polyfluoroalkyl substances (PFAS) in the blood and a higher risk of developing estrogen receptor-negative (ER-negative) breast cancer.

PFAS, often called ‘forever chemicals,’ are a class of synthetic compounds used in a wide range of consumer products, including nonstick cookware, food packaging, and water-repellent fabrics. These chemicals are known for their persistence in the environment and the human body, where they can accumulate over time.

The research, part of the U.S. Department of Health and Human Services (HHS), analyzed blood samples and health data from a large group of women. It found that those with higher concentrations of the two PFAS chemicals were more likely to be diagnosed with ER-negative breast cancer, a subtype associated with more aggressive behavior and poorer outcomes.

While the study highlights a potential association, researchers emphasize that further investigation is needed to confirm causality and understand the mechanisms involved. The findings add to growing concerns about the long-term health impacts of PFAS exposure.

Based on reporting from Medical Xpress (Cancer).

Source: Medical Xpress (Cancer). This article was drafted by AI from that reporting and reviewed by an automated accuracy check before publishing.