What makes a person left-handed?

For both righties and lefties, the brain is divided right down the middle into two sides called hemispheres. One hemisphere is on the right side of your head, and the other is on the left. The right hemisphere controls movements on the left half of the body, which includes the left hand.

Why is being left-handed so rare?

So why are lefties so rare? Scientists have long tried to answer this. In 2012, researchers at Northwestern University developed a mathematical model to show that the percentage of left-handed people was a result of human evolution — specifically, a balance of cooperation and competition.

What is the difference between left and right handers?

Researchers have identified, for the first time, the genetic differences between right-handed and left-handed people. In left-handed people, both sides of the brain tend to communicate more effectively. This means that left-handed people may have superior language and verbal ability.

Is it harder for lefties to write?

Left handed writing is hard. Lefties have to push the pen away from their hand while simultaneously creating legible loops and slants, crossing ts and dotting is. Pushing means its more likely that the pen tip skips and the line gets broken.

Is being left-handed lucky?

Left-handers or lefties are often considered unlucky in many cultures, including the Indian culture. We are told to accept prasad with our right hands only, and this hand is preferred for all our rituals, tilak, yagna, etc.