A 2012 book by Kozol regarding poor children in the South Bronix (fluoridated since 1965) reports ""Many of the children who attend these schools also suffer the emotional and physical attrition that results from chronic illnesses like asthma and anxiety, as well as the steady and low-level misery of rotting teeth, infected gums, and festering, untreated sores. " https://thirdworldtraveler.com/Third_World_US/AmazingGrace_K...
Based on NYS Department of health data researchers found " For every age/race group, there was a consistently significant association of SiF [silicofluoridated] treated community water and elevated blood lead" https://pubmed.ncbi.nlm.nih.gov/11233755/