Calgary Reverses Decision on Fluoride in Water Supply

SOURCE www.npr.org
Calgary reversed its decision to remove fluoride from its water supply in 2011 after residents requested it to be put back. City council member Gian-Carlo Carra explains the process and the importance of following science in the face of anti-science conspiracy theories.

Key Points

  • Residents requested fluoride to be put back into the water supply
  • City council saved money by removing fluoride initially
  • Rate of dental caries increased after fluoride removal
  • Public voted to reintroduce fluoride after 10 years

Pros

  • Adding fluoride to water supply prevents cavities
  • Can lead to general improvement in dental health and public health

Cons

  • High levels of fluoride can lower a child's IQ