Posted on 11/11/2026 12:00:37 PM PST by nickcarraway
Two “forever chemicals” have been associated with a higher risk of aggressive breast cancer, according to research from the National Institutes of Health (NIH). Forever chemicals, known as PFAS, are a group of synthetic chemicals that break down extremely slowly and can build up in the environment and the human body.
PFAS have been used in nonstick cookware, upholstery and clothing, as well as some food packaging and personal care items. The study, published in the Journal of Clinical Oncology, found that women with higher blood levels of two types of PFAS — perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) — were more likely to develop estrogen receptor-negative (ER-negative) breast cancer.
ER-negative breast cancers tend to be “more aggressive” and have worse outcomes compared to breast cancers that respond to estrogen, according to a U.S. Department of Health and Human Services (HHS) press release.
(Excerpt) Read more at nypost.com ...
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I assume from flame-retardant chemicals.
Or if you live anywhere near a military basse that has poisoned the groundwater, like Eieleson AFB or Ft Wainwright.
Primary link to the study:
https://ascopubs.org/doi/10.1200/JCO-26-00318
Full citation:
Chang CJ, Pullella K, Keil AP, et al. Per- and Polyfluoroalkyl Substance Exposure and Breast Cancer Incidence in the Sister Study. Journal of Clinical Oncology. 2026. DOI: 10.1200/JCO-26-00318
This is the prospective case-cohort study (within the NIH Sister Study) that reported higher pre-diagnosis blood levels of PFOA and PFOS associated with increased risk of ER-negative breast cancer (HR 1.67 and 1.93 for highest vs. lowest quartile, respectively), with supporting meta-analysis findings. An accompanying editorial is also available on the same site.
Related official NIH/HHS press release summarizing the findings:
https://www.hhs.gov/press-room/nih-study-pfas-forever-chemicals-aggressive-breast-cancer-risk.html
Note that the full article may require a subscription or institutional access via the ASCO/JCO site (PDF direct link: https://ascopubs.org/doi/pdfdirect/10.1200/JCO-26-00318).
So it’s a good thing I don’t cook, always sit on wood and leather chairs, and don’t use deodorant?
I never understood “flame-retardant clothing.” Who’s going to walk through fire unless you’re a fireman?
Likely from stain resistant coatings.
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