Driving through downtown Dallas, you might see a striking banner hanging at the U-turn bridge, near the Walnut Hill exit on Central Expressway (US 75): “Stop Fluoridation!” Below it, other banners ...
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, ...
一部の結果でアクセス不可の可能性があるため、非表示になっています。
アクセス不可の結果を表示する