Is fluoride toxic?

Fluoride is a highly toxic substance. ... In terms of acute toxicity (i.e., the dose that can cause immediate toxic consequences), fluoride is more toxic than lead, but slightly less toxic than arsenic. This is why fluoride has long been used in rodenticides and pesticides to kill pests like rats and insects. read more

Fluoride toxicity is a condition in which there are elevated levels of the fluoride ion in the body. Although fluoride is safe for dental health at low concentrations, sustained consumption of large amounts of soluble fluoride salts is dangerous. read more

Fluoride toxicity is characterized by a variety of signs and symptoms. In the United States, poisoning most commonly follows ingestion (accidental or intentional) of fluoride-containing products. However, in many parts of the world (eg, regions of India and China), elevated levels of fluoride in groundwater result in chronic fluoride toxicity (fluorosis). read more

Fluoride is still defended today for two reasons: The massive profit produced by selling it to local municipalities, and the massive liability and lawsuits that would follow an admission that it is in fact toxic and harmful. read more