Here Is Why There Are So Few Left-Handers In This World & Benefits Of Being Left-Handed

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There is no denying the fact that the majority of people in this world are right-handed and the percentage of left-handed people in the world is just 10 percent. If you haven’t noticed it then you just need to look around yourself and observe, you will find that most of the people use their right hand more than the left one. Even if you have noticed and you are fully aware of it, have you ever thought what is the reason behind it?

Today we will let you know how a person becomes left-handed and what the advantages of being a left-handed are:

Reasons because of which a person become left-handed:

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1 The birth position of the baby and its relation with dominant hand

It has been observed that the position of the baby during the final trimester and it’s position during the birth plays an important role in determining which one will be the dominant hand of the baby. If the head of the baby is turned to one side for most of the time then the vestibular system will get stimulated in an asymmetric manner and it reduces the chances of a person being right-handed.

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2Ultrasounds

As per a research, it has been observed that ultrasound have a pretty good effect on the brain of an unborn child. If a pregnant woman undergoes ultrasound tests good number of times then there are higher chances of kid being grown into a left-handed person.

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3Exposure to hormones

It has been proved by four studies that kids born from mothers who were on medication that included medicines based on synthetic estrogen have more chances of being left-handed than other kids.

However, the medication was given in the period ranging from 1940 till 1971 and the research teams have concluded that estrogen has a significant impact on the developing brain of the kids and it also includes left dominance.

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4The evolution of humanity

The evolution of humanity also has an effect on a person being left-handed or right-handed. It has been observed that more cooperative a society is, the more the chances of its citizens being right-handed. However, the situation may change if the competition increases in society.

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