There is a big decision you have to make and there are many things to consider—too many things. You become so overwhelmed with information you can't make a decision. Your thinking and mind feel like ...

(CNN) — A rigorous nine-year research review looking at the relationship between fluoride and intelligence in children concludes that as fluoride levels rise, IQ drops. Every 1 part per million ...

Low-level lead poisoning remains pervasive in the U.S. and world populations despite decades of efforts to end the use of lead in infrastructure, according to a study by researchers at Columbia ...

Higher fluoride exposure was linked to lower IQ among children, a large meta-analysis indicated, although with limited data quality. Inverse associations and a dose-response association were found ...

Water flows from a water fountain in Concord, N.H., on Friday, Jan. 7, 2011. (AP Photo/Jim Cole, File) NEW YORK (AP) — A U.S. government report expected to stir debate concluded that fluoride in ...

Americans might have been a whole lot more intelligent had it not been for lead-based gasoline. Lead was first added to gasoline in 1923, apparently to keep our car engines 'healthy.' But the move ...

Intelligence is central to the human experience. Your ability to think, reason, and learn governs your professional and private life. Perhaps the commonest way of conceptualising intelligence is in ...

Children exposed to the highest fluoride levels scored about 7 points lower on IQ tests than those exposed to the lowest fluoride. When researchers restricted their analysis to only the ...