To check your cognitive skill and IQ level, there are many ways, but among these, brain teasers are the best and fun game to test your logical and thinking skills with your observation level. These ...

Communities started adding fluoride to the water supply in 1945. But now, a new analysis finding a potential link between added fluoride and lower IQs in children is causing concern. The National ...

A Brain teaser is a type of puzzle which requires thinking and logical skills. In these types of puzzles, even math riddles ...

An analysis of more than 70 studies on fluoride and IQ levels concluded there was a relationship between higher levels of the common water additive and lower IQ levels in children, though a large ...