Scientific studies conducted in China, India, Mexico and Iran reveal that excessive fluoride intake reduces the IQ of children. It impairs memory and learning.

This and many more toxic effects of fluoride are listed on Fluoride Alert Website

Fluoride fights tooth decay only if applied on the outside. It is not meant to be swallowed or ingested.

According to Scientific American Editors, Higher level of fluoride in water (above 1 part per million) may lead to disorders of brain, teeth, thyroid (which regulates growth and metabolism). It also increases the risk of bone fracture in infants and elderly people.

View the YouTube video – The Dangers of Fluoride for more details of effects of excess fluoride intake.