A landmark report has found that fluoride in drinking wate r at twice the recommended limit is linked with lower IQ in children. The report by the National Toxicology Program marked the first time a federal agency has determined “with moderate confidence” that there is a link between higher levels of fluoride exposure and lower IQ in kids. The research was based on an analysis of previously published studies in Canada, China, India, Iran, Pakistan, and Mexico .
Waterspouts explained as terrifying phenomenon makes Sicily yacht disappear Liquid water found on Mars which could point to life - but there's a huge issue It found that drinking water containing more than 1.5 milligrams of fluoride per liter is associated with lower IQs in kids. Since 1945, the use of fluoride has been a successful public health initiative for reducing dental cavities and improving oral health.
The addition of low levels of fluoride to drinking water has long been considered one of the greatest public health achievements of the last century. There is a concern, however, that some pregnant women and children may be getting more fluoride than they need. Some of the studies reviewed in the report suggested IQ was 2 to 5 points lower in children who’d had higher exposures.
Since 2015, federal health officials have recommended a fluoridation level of 0.7 milligrams per liter of water. The World Health Organization has set a safe limit for fluoride in drinking water of 1.
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