How some people can use their left hand to perform all major tasks of the day, including writing, has always intrigued the right-handed lot. This inquisitiveness has also made many scientists scratch their heads, as there is no proven theory of how some people acquire left-handedness, and whether their brain wiring is somewhat different than their rivals, right-handed people.

What makes some people left-handed? A study tries to unravel the reasons

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What makes some people left-handed? A study tries to unravel the reasons