Results of IQ testing: the number of children whose level of intelligence is lower is significantly increased in regions of high fluoride/iodine, regions of high fluoride only, regions of high fluoride/low iodine, against their respective comparative groups. Little difference was detected in the results of high fluoride/iodine regions and regions where only a high amount of fluoride is detected. However, the results in these aforementioned regions in comparison against regions of high f
... The results of the intelligence tests show that a high level of fluoride influences children’s IQ, which is consistent with some previous data[4]. It is worth mentioning that the higher the degree of dental fluorosis, the more negative the impact on the children’s intelligence level. This is an issue which merits utmost attention. We believe that the low intelligence of children has no relation to the level of TSH. Although there are differences found in TSH values between the end
The results of measurements of morphological indices showed that the height, weight and sitting height of children in the fluorosis area without water improvement were lower than the groups from the fluorosis area with water improvement and the non-fluorosis area. The age group that had obvious differences was mainly the 12-to-14-year-olds, which indicates that this age group is at the second rapid growth period for children's growth and development. High fluoride delays and p