Study proves it: People who wear glasses are more intelligent

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Many people who wear glasses have been teased or labelled as smarty pants because of their glasses – and rightly so, as a British study shows.
What sounds like a cliché has now been proven in a study. People who wear glasses are said to appear smart or intellectual. However, it has now been found that people who wear glasses are actually more intelligent than those who do not need visual aids.

The link between intelligence and visual impairment
In the study, which was published in the journal Nature Communications, researchers from the University of Edinburgh looked at the question of where cognitive abilities and, therefore, intelligence are anchored in our genes. They also analyzed whether other genetic factors are linked to cognitive abilities.

For the study, the team led by Gail Davies examined genetic data from over 300,000 people aged 16 to 102 and 148 genomic regions associated with cognitive abilities.

How does intelligence affect health?
They concluded that there is a link between cognitive abilities and health factors, including vision. Intelligent people are said to be 30 percent more likely to suffer from poor eyesight. At the same time, intelligent people have a lower risk of developing lung cancer or cardiovascular problems.

However, the risk of poor eyesight only applies to short-sightedness and affects both spectacle and contact lens wearers. Anyone who used to be teased because of their glasses now has it in black and white: they are intelligent.