Here's the study on which this article is based: https://pubs.acs.org/doi/10.1021/acs.est.2c02765 https://pubs.acs.org/doi/10.1021/acs.est.2c02765 As noted in

Here's the study on which this article is based: https://pubs.acs.org/doi/10.1021/acs.est.2c02765 https://pubs.acs.org/doi/10.1021/acs.est.2c02765 As noted in the article, the EPA recently lowered the "safe limit" based on evidence that the previously acceptable levels were still high enough to reduce vaccine efficacy in children. And we already know PFAS impact fertility and hormones, can cause some cancers, etc.