drinking water

You grew up with fluoride. Your teeth show it in the very fact that you still have them. Before 1945, by the time your nest was empty, your mouth was often empty as well. But when cities began adding it to water supplies, tooth decay took a nose dive. Most of us never gave it a second thought, just turned on the tap and downed the cure. Fluoride reverses the demineralization of your teeth. It strengthens them, prevents plaque and caries, wards off gum disease [...]