Learn more (about Fluoride and Harvard) here: https://www.hsph.harvard.edu/news/features/fluoride-childrens-health-grandjean-choi/
and also here (harvard fluoride): https://www.prnewswire.com/news-releases/prominent-harvard-researcher-certain-fluoride-is-unsafe-for-childrens-developing-brains-nyscof-301014431.html
