The United States government is lowering the recommended amount of fluoride added to their tap water for the first time in over 50 years. The common reason behind this is because many Americans have been getting too much fluoride via toothpaste and mouthwash. The oversaturation of fluoride is considered to be the common cause of white splotches forming on children’s teeth. For more on this story, please click here:: US lowers fluoride levels in drinking water for the first time in over 50 years