Linda Birnbaum, former director of the National Institute of Environmental Health Sciences, called for more research into the potential effects of fluoride levels below 1.5 parts per million.

She emphasized that the study had concluded that exposure can be damaging to developing brains. “The answer is pretty clear: yes,” Dr. Birnbaum said.

It did not.

To protect fetuses and babies who are especially vulnerable, she advised parents to avoid drinking fluoridated water during pregnancy and to use fluoride-free bottled water when preparing formula for their infants.

Parents, simply don't be exposed to pollution. It's easy. Don't worry about the microplastics.

“The more we study a lot of chemicals, especially the chemicals that affect I.Q., like lead — there’s really no safe level,” Dr. Birnbaum said.

It's so irresponsible to associate fluoride with lead. This is like people being obsessed with seed oils while ignoring massive amounts of sugar in their diets.