The study reads: “Among the undeclared chemical elements were detected 11 of the 15 cytotoxic lanthanides used in electronic devices and optogenetics. In addition, among the undeclared elements were all 11 of the heavy metals: chromium was found in 100% of the samples; arsenic 82%; nickel 59%; cobalt and copper 47%; tin 35%; cadmium, lead and manganese in 18%; and mercury in 6%.”

https://jonfleetwood.substack.com/p/at-least-55-undeclared-chemical-elementsincludin