Women with higher blood levels of two common per- and polyfluoroalkyl substances, also familiarly known as PFAS, were more likely to develop estrogen receptor-negative, or ER-negative, breast cancer, according to a new study by the National Institutes of Health (NIH), part of the U.S. Department of Health and Human Services (HHS). PFAS are a large group of chemicals used in common consumer products. Often referred to as "forever chemicals," PFAS do not break down easily in the environment and can remain in the body for years.
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Study Links 'Forever Chemicals' to Increased Risk of Aggressive Breast Cancer
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November 6, 2026
1 min read
📰 Medical Xpress
📋 Key Takeaway
A study by the NIH found that women with higher blood levels of PFAS are more likely to develop aggressive ER-negative breast cancer. This research highlights health risks associated with environmental pollutants. Understanding these risks is crucial for Iran, where industrial pollution and health issues are significant concerns.
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