Thyroid Cancer Risk Linked to Type of PFAS in Patient Study (1)

People with higher amounts of a well-known type of PFAS were more likely to get thyroid cancer than other individuals, according to a study by physicians and scientists.

Higher concentrations of linear perfluorooctanesulfonic acid (PFOS) increased risk of thyroid cancer 56% in a study of more than 160 individuals to be published on Tuesday in eBioMedicine, one of the Lancet journals.

Linear PFOS is one of the most studied, persistent, and concerning group of related chemicals within a much larger category called per- and polyfluoroalkyl substances (PFAS).

The 3M Co., under pressure from the Environmental Protection Agency, largely ...