Health Effects of Direct or Indirect Fluoride Ingestion

Effect of fluoride concentration in drinking water on intelligence quotient of 12–14-year-old children in Mathura District: A cross-sectional study

“…before the age of 6 years, the human brain is in its fastest stage of development, and that around seven and eight basic structural development is completed, therefore, the brain is most vulnerable to damage from excess F intake before this age. [ 19 ] The basis of abridged intelligence in children contacted with high levels of F, is the ability of F to pass the blood-brain barrier, bringing about a functional impairment of the nervous system throughout the pre and postnatal development.…”