Exactly the conclusion is it causes people to pass out and have skin infections, both are signs of toxicity.
It's no surprise that this hospital system would experiment on their patients...In 1927, the Rockefeller Foundation provided funds to construct the Kaiser Wilhelm Institute for Anthropology, Human Heredity, and Eugenics in Berlin, which came under the directorship of the appropriately named Eugen Fischer. Adolf Hitler read Fischer's textbook Principles of Human Heredity and Race Hygiene while in prison at Landsberg and used eugenical notions to support the ideal of a pure "Aryan" society in his manifesto, Mein Kampf (My Struggle).