Compare and contrast: Water fluoridation helps prevent tooth decay – how growing opposition threatens a 70-year-old health practice
The Conversation – Canada
Fluoride is naturally present in most water sources, but typically at concentrations too low to prevent tooth decay. By adjusting the fluoride level to the recommended 0.7 milligrams per liter, equivalent to about three drops in a 55-gallon barrel, it becomes sufficient to strengthen tooth enamel. Click here to read the story. Click the following link for more information on Infrastructure.