Is drinking fluoride during pregnancy linked to lower IQ scores for children?

Fluoride is a naturally occurring mineral, and research has shown that it can help prevent tooth decay, keeping the tooth enamel strong and healthy to guard against cavities.  Because of its potential role in improving oral health, fluoride can be found in many community water systems. According to the Centers for Disease Control, drinking fluoridated water reduces cavities by 25 percent in children and adults.  But as helpful as fluoride may be, there has been a long-running debate about the safety of adding this potentially toxic mineral …