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Consumption of fluoride at levels beyond those used in fluoridated water for a long period of time causes skeletal fluorosis. In some areas, particularly the Asian subcontinent, [clarification needed] skeletal fluorosis is endemic. It is known to cause irritable-bowel symptoms and joint pain.
WHO states that long-term exposure to fluoride levels above 1.5 milligrams per liter (mg/L) in drinking water can lead to health problems. ... fluoride can cause harm.
About 99% of retained fluoride is stored in bone, teeth, and other calcium-rich areas, where excess quantities can cause fluorosis. [79] Drinking water is typically the largest source of fluoride. [51] In many industrialized countries swallowed toothpaste is the main source of fluoride exposure in unfluoridated communities. [64]
The U.S. Public Health Service’s recommendation is a fluoride concentration of 0.7 mg/L of drinking water—and there were not enough data to determine if 0.7 mg/L of fluoride exposure in ...
Around 73% of the U.S. population, or about 209 million people, have access to fluoridated water, the CDC reported. Fluoride also has been added to oral care products such as toothpaste and mouth ...
Here’s an overview of some things that can cause chills but no fever: 1. Being in a Cold Environment ... it can make you really sick. Often, this results in a fever, but chills sans fever have ...
It has also been called depth intoxication, “narks,” and rapture of the deep. It can cause a decrease in the diver's ability to make judgements or calculations. It can also decrease motor skills, and worsen performance in tasks requiring manual dexterity. [10] As depth increases, so does the pressure and hence the severity of the narcosis.
Elevated prenatal exposure to fluoride was associated with increased risk of neurobehavioral problems in 3-year-olds, according to a study of children in Los Angeles.