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What are the advantages and disadvantages of being left-handed?

What are the advantages and disadvantages of being left-handed?. By: Brianna Philipsen Science 7. Information on left handers. 10% of the world’s population is left handed Being left handed is not part of the hand it is part of the brain Left handed people use the right side of their brain

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What are the advantages and disadvantages of being left-handed?

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  1. What are the advantages and disadvantages of being left-handed? By: Brianna Philipsen Science 7

  2. Information on left handers • 10% of the world’s population is left handed • Being left handed is not part of the hand it is part of the brain • Left handed people use the right side of their brain • Males are 1 ½ times more likely to be left handed then females

  3. Information on left handers • If you are RR or Rr you are right handed • If you are rr you have no preference • Left handed baseball players are called South Paws

  4. Disadvantages • Left handed people approximately live 9 years less than right handed people • Stuttering and dyslexia occur more in left handed people • Left-handedness causes carpel tunnel • They are more likely to have allergies than right handed people

  5. Disadvantages • Left handed people are more likely to be alcoholics than right handed people • They get more migraines than right handed people • More than likely they won’t be able to roll your tongue • They have trouble with scissors and binders

  6. Advantages • Left handed people recover from strokes faster than right handed people • They also see underwater better • Left handed people are proven to be better at tennis, baseball, and fencing

  7. Fun Facts About Left Handed People • Left Handed people draw pictures facing the right • There is a high chance that one twin will be left handed • Identical twins might have different hand preferences • Babies who are born to older moms are more likely to be left handed

  8. Fun Facts About Left Handed People • Left handed peoples fingernails grow faster on their left hand than their right • Moms who were stressed out when they were pregnant are more likely to be left handed • Researchers believe that the gene for left handers is LRRTM1 • It is believed that there is more left handed males than females

  9. Animoto

  10. References • Hirshon, Bob, auth. "South Paw Minority." South Paw Minority. Advancing Science Serving Society, 18 Apr 2008. web. 08 Dec 2011. <http://sciencenetlinks.com/science-news/science-update/southpaw-minority/>. • Wheat, David. "Science in Action." Science Update. Science Update, 07 Dec 2004. Web. 08 Dec 2011. <http://sxxz.blogspot.com/2004/12/are-you-left-handed-do-you-know.html

  11. References • Ulken, Eric. "Fun Facts about left handedness." Seattle Times. Seattle Times, 16 Jun 2003. Web. 12 Dec 2011. <http://ulken.com/2003/06/16fun-facts-about-left-handedness/>. • Leen, Leen. "left handedness and right handedness." left handedness and right handedness. xanga.com, 08 Oct 2007. Web. 13 Dec 2011. <http://bubbiosity.xanga.com.com/620314158/left-handedness/>.

  12. References • Milsom, Keith. "Left Handed Tour." Left handed fascinating Facts. Left Handers Day, n.d. Web. 13 Dec 2011. <http://www.lefthandersday.com/tour6.html>. • "Fun Left handed Facts." Questions Kids Ask about. askkids.com, n.d. Web. 13 Dec 2011. <http://askkids.com/resource/Facts-on-Left-Handed-People.html/>. • "25 Amazing Facts About Left Handed People." leftyfretz.com. leftyfretz.com, n.d. Web. 13 Dec 2011. <http://leftyfretz.com/25-facts-about-left-handed-people/>.

  13. References • Layton, Julia. "are left handers quicker thinkers than righties?." discovery fit& health. N.p., n.d. Web. 13 Dec 2011. <http://health.howstuffworks.com/human-body/parts/left-handed.html>. • Binns, Corey. "What makes a lefty:myths and mysteries persist." Live Science. Live Science, 21 Mar 2006. Web. 14 Dec 2011. < http://www.livescience.com/655-lefty-myths-mysteries-persist.html>.

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