what of people are left handed ?

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what of people are left handed ?

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https://www.psychologytoday.com/us/blog/the-asymmetric-brain/201908/8-new-scientific-findings-about-left-handedness

https://www.psychologytoday.com/us/blog/the-asymmetric-brain/201908/8-new-scientific-findings-about-left-handedness
8 New Scientific Findings About Left-Handedness
As there are about 7.7 billion people living in the world in 2019, it can be estimated that there are about 708,400,000 left-handers. 2. Men are more likely to be left-handers than women.
The World’s Biggest Study on Left-Handedness – Psychology Today
So given these new results, how many people in the world are left-handed? As of March 2020, the world’s overall population is estimated to be somewhere around 7.8 billion people, and 10.6% of …
What Makes Someone Left-Handed? | Psychology Today
Epigenetics is a major process in how non-genetic factors influence the structure and function of the brain or other parts of the body. Since left-handedness is caused by the brain, it could be …

https://www.scientificamerican.com/article/what-causes-some-people-t

https://www.scientificamerican.com/article/what-causes-some-people-t
What causes some people to be left-handed, and why are fewer people …
Approximately 85 percent of people are right-handed. These theories also try to explain the persistent and continuing presence of a left-handed minority (about 15 percent of humans).

https://www.bbc.com / future / article / 20160930-the-mystery-of-why-left-handers-are-so-much-rarer

https://www.bbc.com / future / article / 20160930-the-mystery-of-why-left-handers-are-so-much-rarer
The mystery of why left-handers are so much rarer – BBC
The right side of the brain controls the left hand, and vice versa. And so being left-handed can have knock-on effects on the way the brain is arranged. Left-handers are much more variable in …

https://www.cnn.com/2015/11/03/health/being-left-handed-health-impact/index.html

https://www.cnn.com/2015/11/03/health/being-left-handed-health-impact/index.html
20 things you didn’t know about being left-handed | CNN
3 nov. 2015Researcher Joshua Goodman found that left-handed people’s salaries were, on average, 9 to 19% lower than their right-handed peers. (The gap between lefties and righties was $2,500 for men and …

https://www.sciencealert.com/why-are-only-10-of-people-left-handed-here-s-what-scientists-know-so-far

https://www.sciencealert.com/why-are-only-10-of-people-left-handed-here-s-what-scientists-know-so-far
Why Are Only 10% of People Left-Handed? Here’s What … – ScienceAlert
If most people’s brains use the left hemisphere to control intensive language and fine motor skills, the thinking goes, that bias results in the right hand being more dominant too. In fact, one of the more unusual hypotheses to explain the rarity of left-handedness is that a genetic mutation in our distant past caused the language centres of …

https://www.webmd.com/brain/ss/slideshow-left-handed-vs-right

https://www.webmd.com/brain/ss/slideshow-left-handed-vs-right
Differences Between Left- and Right-Handedness – WebMD
29 sept. 20235 /12. Your brain’s right side controls muscles on the left side of your body and largely drives musical and spatial abilities. That may be why left-handers often hold more than their share of …

https://www.livescience.com/what-causes-left-handedness.html

https://www.livescience.com/what-causes-left-handedness.html
Why Are People Left- (or Right-) Handed? | Live Science
Most people — about 85 to 90% — are right-handed, and there’s no population on Earth where left-handers are in the majority. That uneven split has had some historic downsides for lefties.

https://www.pbs.org/wgbh/nova/article/inside-the-mind-of-a-left-hander

https://www.pbs.org/wgbh/nova/article/inside-the-mind-of-a-left-hander
Inside the mind of a left-hander | NOVA | PBS
Left-handedness is much more than a trivial paw preference: It may be a useful lens through which to examine brain development. … Some people seem to be born left-handed, so there is a …

https://www.factretriever.com/left-handedness-facts

https://www.factretriever.com/left-handedness-facts
62 Interesting Left-Handed Facts | FactRetriever.com
Tests conducted by St. Lawrence University in New York found that there were more left-handed people with IQs over 140 than right-handed people. [2] Although approximately 90% of all humans are right-handed, cats, rats, and mice that show handedness seem to be equally split between right- and -pawedness. [2] Human asymmetrical behavior patterns involve the foot, eye, and ear as well as the …

https://www.smithsonianmag.com/science-nature/why-are-some-people-left-handed-6556937

https://www.smithsonianmag.com/science-nature/why-are-some-people-left-handed-6556937
Why Are Some People Left-Handed? – Smithsonian Magazine
Being a righty or a lefty could be linked to variations in a network of genes that influence right or left asymmetries in the body and brain. President Barack Obama is left-handed, as well as at …
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