Dentistry: A Little Fluorine Is Good

New York City is desperately short of water, but next week it will greatly improve the supply that it has. It will add just a smidgen of fluoride—one part per million parts—to the water drunk by some 9,000,000 people who live or work in and around the city. The purpose, of course, is to improve dental health by reducing cavities. Already, 50 million other Americans in 2,848 communities get the same insurance added to their water. In addition, 7.7 million Americans drink water that has already been fluoridated by quirks of nature....

Want the full story?

Subscribe Now

Subscribe
Subscribe

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!