“Fluoride in drinking water,” wrote the authors after completing their analysis, “was negatively associated with cognitive function” in both tests. The greater the exposure, the more mistakes the children made on the test.
Taking Issue with Fluoride
In 1945 when Grand Rapids, Michigan became the first city to implement community water fluoridation, the Precautionary Principle didn’t exist. When an activity raises threats of harm to human health or the environment, precautionary measures should be taken even if...