We all know that humans tend to have a dominant hand. That is, the hand we use to do most of our tasks. About 90%of the world’s population is made up of right handed people. Only 9% of the world’s population is made of left handed people. And so, left handed people end up being the minority in the right handed world. This has a lot to do with the brain and its left hemisphere and right hemisphere. While research suggests that being a left handed person might have something to do with genetics, it is not yet proven. It is fascinating to think about why some people are left-handed. Is there a difference in how the hemispheres of the brain works for left-handed people?

In this video, we answer all these questions and more. After all, there’s a reason why we celebrate international left handers day!

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Video Chapters
0:00 - 1:51 Introduction
1:52 - 3:21 Difference between left and right hemispheres of the brain
3:32 - 5:37 Why do they prefer the left hand
5:38 - 7:45 Advantage of using the left hand


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