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Scientists have identified many new genes associated with better thinking skills following a major worldwide study.

They also found 42 genome-wide loci linked to reaction time, 40 of which are new to science.

Scientists have identified new genes associated with cleverness in a study that may help to explain why certain people have better cognitive function.

The study is said to be the largest genetic study of cognitive function and as a result, they have identified some genetic variations between the persons who wear glasses and un-wearers on the thinking capacity.

Scientists think so. They say that people who wear glasses may be more intelligent than those who don't.


Analyzing the genetic data, scientists found that 148 genome-wide regions associated with a general cognitive function, including 58 genomic sites that hadn't previously been linked with intelligence.

The study is the largest of its kind ever conducted, according to The Guardian, and also found negative correlations between cognitive function and a number of other health problems, including angina, lung cancer and depression.

Professor Ian Deary, director of the University of Edinburgh's Centre for Cognitive Ageing and Cognitive Epidemiology (CCACE) and lead author of the study said in a statement: "Less than a decade ago we were searching for genes related to intelligence with about 3,000 participants, and we found nearly nothing".

However, the researchers said there was no proof of a defined link between the two factors.

According to lead researcher Ian Deary, "We also need to study our results closely to see what they can tell us about the possibility of understanding the declines in cognitive function that happen with illness and in older age", such as Alzheimer's disease. A double win for the short, and long, sighted.

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