10% of the world's population is left-handed. But why? Watch to see Thoughty2 explain why some people are left-handed. Subscribe For New Videos Every Mon & Thurs: http://bit.ly/1KWbyyu Ask a Question on Thoughty2.com: http://thoughty2.com/ask Support me on Patreon: http://thoughty2.com/patreon Facebook: http://thoughty2.com/facebook Twitter: http://thoughty2.com/twitter Thoughty2 Merchandise: http://thoughty2.spreadshirt.com With Special Thanks To: Misha A-Wilson, Katrina Brogan, Michelle & Aa