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“PFAS—a group of chemical compounds made up of per- and polyfluoroalkyl substances— are ubiquitous in the environment. Young children are often exposed to PFAS by ingesting household dust. PFAS are often called ‘forever chemicals’ because they do not easily break down in the environment.

To date, research studies have mostly focused on the risks of adult cancers from PFOS and PFOA, two legacy PFAS which are no longer manufactured in the U.S. but persist in the environment and in human blood. Less has been known about the impact of other legacy and emerging PFAS, especially regarding the risk of childhood cancers.

A study led by Catherine Metayer of UC Berkeley School of Public Health has begun to fill the research gap.” …