Why are some people left handed?

We all know that people are either right handed or left handed and that defines how they will eat, write or do some normal work. But I have seen most of the people right handed and I wonder why some people are different and why not the difference is prominent? Why Not 50 percent people are right handed and 50 percent left handed?

Is this variation is genetic or some kind of a disease? Does being left handed causes problems? We don’t know it for certain so why not just look at this video and answer our curiosity:

Source: Ted Ed

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Harsh

Harsh is a curious writer who loves to explore his surroundings. There are many websites who provide answer to people queries but no single website alone resolves the curiosity of people. Curious Mind Box is an initiative to resolve the curiosities and answer every What, How and Why question that comes into your mind.

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