Study Finds Endocrine Disruptors in 92% of 50 US Breast Milk Samples
Updated
Updated · The Guardian · Jun 14
Study Finds Endocrine Disruptors in 92% of 50 US Breast Milk Samples
1 articles · Updated · The Guardian · Jun 14
Summary
Ninety-two percent of 50 breast milk samples from Seattle mothers contained at least one hormone-disrupting chemical, with researchers detecting Melamine, BPA, BPS, triclosan and Cyanuric acid in a new peer-reviewed study.
Melamine appeared in 92% of samples, BPS in 78%, BPA in 74% and triclosan in 62%, raising concern because such chemicals can disrupt hormones critical to infant development even at very low exposure levels.
The authors said breastfeeding remains the healthiest option for infants, noting many of the same chemicals are also found in formula and that consumers cannot fully avoid exposure because the compounds are widespread in everyday products.
The findings add to earlier evidence that the same milk samples also contained PFAS and flame retardants, and arrive as the Trump EPA moves to roll back chemical limits while Congress weighs weakening toxic-chemical laws.
When banning one toxic chemical just leads to another, how can we finally break this dangerous cycle in consumer products?
What are the lifelong health consequences for a generation exposed to a chemical cocktail from their first day?
2026 US Breast Milk Study: High Levels of Endocrine Disrupting Chemicals (EDCs) Demand Immediate Action
Overview
In 2026, new studies reveal that endocrine-disrupting chemicals (EDCs), especially PFAS, are found at concerning levels in US breast milk. These chemicals, known for interfering with the body's hormonal systems, have been detected globally, with the United States highlighted as a prominent region for PFAS contamination. The findings show that EDCs are widespread and pose a significant risk to infants, prompting immediate calls for protective measures. This urgent situation underscores the need for stronger policies and public health actions to reduce EDC exposure and protect vulnerable populations.