Life-Cycle Studies: Toothpaste

..........The cause for controversy is the well-intentioned public health officials who, since 1944, have mixed fluoride into drinking water. Opponents say the 210 million people worldwide with access to fluoridated water are overexposed because toothpaste already provides them with enough. The risks include severe tooth stains and increased chance of bone fractures, according to the U.S. National Academies of Science. In Western Europe, 17 of 21 countries have either refused or discontinued fluoridation...........