Does Fluoride Cause Cancer?

This is a question we are asked a lot. There are many myths circulating, but the fluoride in our tap water (and toothpaste) is not a cause for concern when it comes to cancer. .
- Why is fluoride added to water in Ireland?
Much of the public water supply in Ireland tends to have low fluoride levels naturally, so the fluoride is supplemented. Addition of fluoride to drinking water is a simple, effective and equitable public health measure to reduce tooth decay (and associated diseases). .
- What does the research show?
There have been quite a few studies examining associations between fluoride and risks of certain cancers. There is no evidence that fluoride in water or toothpaste has any effect on cancer risk. Research suggests that fluoride has no role in cancer.