https://www.prnewswire.com/news-releases/fluoridation-trial-fluoride-in-water-is-endangering-childrens-iqs-2nd-day-of-strong-testimony-301073837.html?fbclid=IwAR2SJPElqeSWZ3wBxeK1o5jUupnOYpEkuB_8kJXJxwOhRLw1bU4liEiWqTA Health Effects