Does Wearing Glasses Mean You Are Smarter? Yes, Suggests New Genetic Study

Pearl Mccarthy
June 2, 2018

Researchers said this has something to do with the genes.

Researchers at the University of Edinburgh are hoping their findings will help them determine how and why cognitive function and intelligence declines as people grow older. The people who showed more of intelligence were the ones who were 28% likely to wear glasses.

Scientists think so. They say that people who wear glasses may be more intelligent than those who don't. Around 300,000 individuals were considered and they were involved in tests related to cognitive ability and also submitted DNA samples for analysis of genome i.e., a complete set of genetic information in an organism that allows it to grow and develop.

A team led by the University of Edinburgh found significant small signals from 148 genomic regions that were related to having better cognitive function.

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Besides finding a link between eyesight and intelligence, researchers also found that genetic signature linked to increased cognitive function is also associated with better cardiovascular and mental health, reduced risk of lung cancer, and long life.

"The discovery of shared genetic effects on health outcomes and brain structure provides a foundation for exploring the mechanisms by which these differences influence thinking skills throughout a lifetime".

Lead researcher and CCACE director Professor Ian Deary said: "Less than a decade ago we were searching for genes related to intelligence with about 3,000 participants, and we found nearly nothing".

The researchers have looked more closely at the genes that affect cognitive functions such as memory, learning, language, where attention. "I've been working on human intelligence for years, and it was a long time before I appreciated how health-relevant it is; our new study reinforces that appreciation".

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