In recent years, concern has risen over the use of fluoride in toothpaste. But why are many just now clamoring for its removal? Read on to see what role it plays in toothpaste, and why so many want it gone. In the 1940s, scientists began including fluoride in the water supply in many towns in an attempt to prevent tooth decay. Fluoride works by preventing acid build-up on the teeth – something many considered beneficial, as that same acid can cause tooth decay and erosion. For this reason, fluoride was hailed as the ingredient for stronger, healthier teeth and many welcomed...