Fluoride plays a vital role in neurological development and IQ level. Children are more exposed to threat from fluoride,like dental caries,IQ,.
I found lot of articles for IQ associated with Fluoride while writing my review articles"HEALTH EFFECTS ASSOCIATED WITH FLUORIDATED WATER SOURCES-A REVIEW OF CENTRAL ASIA " published Asian Journal of Water, Environment and Pollution, Vol. 10, No. 3 (2013), pp. 29–37 http://iospress.metapress.com/content/g71ht64436734l50/?p=9ee3a80b552f4879a2f68358fc631c48&pi=4
I have attached three reference article below