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Surprising Science

Proof of Genetic Link to Human Intelligence

Scientists have provided the first direct biological evidence for a genetic contribution to intelligence in humans. It will also enhance learning on how to maintain intellectual abilities.

What’s the Latest Development?


After a study of two types of intelligence in more than 3,500 people, scientists say they have the first direct biological evidence for a genetic contribution to intelligence in humans. They examined more than half a million genetic markers on every person in the study, concluding that 40-50% of the subjects’ differences in intellectual abilities could be traced to genetic differences. 

What’s the Big Idea?

One of the scientists, Dr. Neil Pendleton, said that the findings would help researchers better understand how the genes interacted with each other and the environment, which had an equally significant contribution. “We will take this work forward to find the biological mechanisms that could maintain our intellectual abilities and wellbeing in late life.”


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