Mensa requirement? Mensa membership is open to people who score in the top 2% on a supervised, professional IQ test or a Mensa test. Find out about Mensa testing and Mensa scores here.

High IQ Societies limit their membership to people who score within superior percentiles on a valid, supervised IQ test.

In a study that has been published in the latest issue of Consciousness and Cognition, Fadel Zeiden and his colleagues have shown that only four days of mindfulness meditation training for only 20 minutes each day, improves not only mood and stress levels but also improves deep cognitive processing efficiency – core aspects of fluid READ MORE

In a six-week study, funded by the BBC, experts found people who played online games designed to improve their cognitive skills didn’t get any smarter. Researchers recruited participants from viewers of the BBC’s science show “Bang Goes the Theory”. The largest ever ‘brain training’ study, recruited 11,430 people, aged 18 to 60. They were asked READ MORE

Smokers have lower IQs than non-smokers, and the more one smokes the lower one’s IQ, research has found. A study of 18-21 year old men in the Feb 2010 issue of Addiction showed that smokers’ IQs averaged 94, seven points lower than the 101 average of non-smokers. Those who smoked more than a pack of READ MORE