Our teeth are our only permanent body part, so it makes sense that they must be cared for if you are going to live a long, healthy life. Unlike the rest of our body, once formed, they are not continually rebuilt through routine metabolism. Teeth are, under healthy conditions, essentially indestructible, as demonstrated by fossil... read full story
"higher levels of fluoride exposure, such as drinking water containing more than 1.5 milligrams of fluoride per liter, are associated with lower IQ in children."