Recent studies have shown that the percentage of those who have experimented with soft drugs as an adult (over 30 years), is higher among those who had the IQ test score above average in childhood.
It’s proven that the left-handers have the high ability to group words into categories, meanings and the unification of other creative tasks.
Princeton surveillance in 2008 showed that the taller children usually gain more points in IQ tests and in adult life - earn more money. One of the examples is Steve Jobs, whose growth was as much as 188 centimeters.
One of the most controversial assertions belongs evolutionary psychologist Satoshi Kanazawa, who said that the adults in the child gaining scores above average on intelligence tests often apply to the bottle.
Less controversially another statement of Kanazawa, attributing to "intellectuals" more liberal political stance than occupying an activity that opposes their interests to others.