Tag Archives: Cortisol

I am left-handed, what about you?

A matter of hand

Around 90% of the population use their right hand to write, 9% are left-handed and 1% is ambidextrous. Lefties earn on average 10% lower wages, and are dominant in creative and artistic carriers. How is that possible? Why are some people right-handed, others left-handed and a couple are both? What are the implications of such a random process and what are the outcomes?

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