Test your IQ with this challenging brain teaser! Spot the odd number hidden in the '101' sequence series within 11 seconds.

The link between IQ and mortality has now been replicated in upwards of 20 longitudinal studies from around the world, and has given rise to the field of cognitive epidemiology, ...

A new report linking fluoridated drinking water to lower IQ scores in children is sure to ratchet up the debate over a practice that’s considered one of the greatest public ...

Taylor and colleagues’ finding that there was no statistically significant association between water fluoride < 1.5 mg/L and children’s IQ scores in the dose-response meta-analysis doesn’t ...

Test your observation skills with this visual brain teaser! If you have a 140+ IQ level, try to find the hidden letter 'C' ...

The lack of a clear link between IQ scores and fluoride exposure below 1.5 mg/L “does not exonerate fluoride as a potential risk,” the editorial argued. Advertisement. Levy disagreed.

Specifically, the study estimates that for every 1 milligram per liter increase in urinary fluoride -- a marker of overall exposure -- children's IQ drops by 1.63 points.

Released in March, the T3 Aire IQ smart hair dryer has 5 heat settings, 4 airflow levels and a cool shot — here's why it's worth buying on sale now.

A new study that found no association between dyslexia and IQ calls into question the widespread practice of classifying children as dyslexic based on differences between their reading abilities and ...

Guys with low IQs may be at higher risk than brainiacs for later weight gain and added heart disease risk, a new study suggests. Swedish men who had the lowest IQs at about age 18 had higher ...