They found that the chemical appeared in rapidly proliferating cells called tanycytes in the hypothalamus, and further tests confirmed that the tanycytes specifically produced new neurons and not other types 0f cells.
One of the more shocking bits of research I have come across was a study by the Boston Research Group, which surveyed thousands of employees at all levels across the US. The study showed that close to 97 % 0f employees felt they operated in top-down, command and control systems.