The controversial fluoride debate may be taking a turn across Canada
The U.S. Centres for Disease Control calls it one of the greatest public health achievements of the 20th century. Fluoridated drinking water is credited with lowering levels of tooth decay in children. And yet Canadians are a lot less likely than Americans to have it in their tap water. In recent years cities across this country have been removing the substance, but there are signs that trend is changing.