WASHINGTON, April 27 (UPI) -- For the first time in 50 years, the U.S. government is advising municipalities to adjust the levels of fluoride in their water.
Officials with the Department of Health and Human Services announced to fluoridation guidelines on Monday, calling on water supply managers to lower levels to 0.7 milligrams per liter. Prior recommendations advised cities and towns to shoot for somewhere between 0.7 and 1.2 milligrams per liter.