Health
DNA study of 1.7 million people reveals why some people are left-handed – Inverse
Scientists brought together analyses of data from 1,766,671 people to see what genetic variants reveal about handedness.
Most people consistently use the same hand to do tasks
that require skill and control such as writing or threading a needle. We know genetics plays a big part in which hand a person prefers, but it has been difficult to identify the exact genes responsible.
To find out more, we analyzed the DNA of more than 1.7 million people and discovered 41 regions of the genome associated with being left-handed and another seven associated with being ambidextrous.
What makes people left-handed?
About 88…
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