Grandjean said studies conducted up to four decades ago found health effects, including on the immune system, from PFAS chemicals, but those studies were hidden by production companies, like 3M Co.

Warning! The following article on PFASs written by Heather Mongilio dated Jul 31, 2018 for the Environmental Health News will upset most readers.

While conversing on the topic of PFAS's with fellow colleagues I've referenced this article  and  cited the International Research and Development Corporation ‘s study on monkey mortality from doses of PFOS and the suppression of that study by 3M Corp. To my sheer astonishment, it’s rarely been heard of. This article is frightening and provoking.  Please click to read this article and stay informed or visit https://www.ehn.org/hidden-studies-from-decades-ago-could-have-curbed-pfas-problem-2591289696.html