Feds To Reduce Fluoride In Drinking Water

By: Associated Press
By: Associated Press

ATLANTA -- Fluoride in drinking water -- credited with dramatically cutting cavities and tooth decay -- may now be too much of a good thing. Getting too much of it causes spots on some kids' teeth.
A reported increase in the spotting problem is one reason the federal government will announce Friday it plans to lower the recommended levels for fluoride in water supplies -- the first such change in nearly 50 years.
About 2 out of 5 adolescents have tooth streaking or spottiness because of too much fluoride, a surprising government study found recently. In some extreme cases, teeth can even be pitted by the mineral -- though many cases are so mild only dentists notice it.
Health officials note that most communities have fluoride in their water supplies, and toothpaste has it too. Some kids are even given fluoride supplements.
The U.S. Department of Health and Human Services is announcing a proposal to change the recommended fluoride level to 0.7 milligrams per liter of water. And the Environmental Protection Agency will review whether the maximum cutoff of 4 milligrams per liter is too high.
The standard since 1962 has been a range of 0.7 to 1.2 milligrams per liter.
The Centers for Disease Control and Prevention reports that the splotchy tooth condition, fluorosis, is unexpectedly common in kids ages 12 through 15. And it appears to have grown much more common since the 1980s.
"One of the things that we're most concerned about is exactly that," said an administration official who was not authorized to speak publicly before the release of the report. The official described the government's plans in an interview with The Associated Press.
The government also is expected to release two related EPA studies which look at the ways Americans are exposed to fluoride and the potential health effects. This shift is sure to re-energize groups that still oppose it.
Fluoride is a mineral that exists naturally in water and soil. About 70 years ago, scientists discovered that people who lived where water supplies naturally had more fluoride also had fewer cavities. Some locales have naturally occurring fluoridation levels above 1.2. Today, most public drinking water supplies are fluoridated, especially in larger cities. Counting everyone, including those who live in rural areas, about 64 percent of Americans drink fluoridated water.
Maryland is the most fluoridated state, with nearly every resident on a fluoridated water system. In contrast, only about 11 percent of Hawaii residents are on fluoridated water, according to government statistics.
Fluoridation has been fought for decades by people who worried about its effects, including conspiracy theorists who feared it was a plot to make people submissive to government power.
Those battles continue.


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