Fluoride levels in pregnant women in Canada show drinking water is primary source of exposure

(York University) new study led by York University researchers has found that   fluoride levels in urine are   twice as high for   pregnant women living in Canadian cities where fluoride is added to public drinking water as for those living in cities that do not add fluoride   to public water supplies.
Source: EurekAlert! - Medicine and Health - Category: International Medicine & Public Health Source Type: news