Study of Fluoride Neurotoxicity in Los Angeles, California, Finds Significant Risk To Developing Brain at low levels of fluoride—levels that are typical of those living in fluoridated regions within North America. The paper's authors urged expectant mothers in their release to avoid drinking unfiltered tap water, "This is all critically important for pregnant persons, because…fluoride can cross the placenta and the blood-brain barrier, which can harm the developing brain of the fetus, said Tracy Bastain, Ph.D.” She added, “Eliminating that from drinking water is probably a good practice.” https://www.einpresswire.com/article/713217866/first-us-study-of-fluoride-neurotoxicity-finds-significant-risk-to-developing-brain