text: I am one of those 20%ers.\n\nWe can lay claim to be in an exclusive group containing greats such as Leonardo da Vinci (which is why he's supposed to have written his jounals in mirror writing) to Sir Paul McCartney (who plays his guitar left-handedly).\n\nPROS\n\nWe are supposed to be more spatially aware, analytical and creative than Rightys.  Also, some scientific reviews have claimed statistical significance in our being less likely to develop cancer.\n\nCONS\n\nEqually, we are more likely to suffer from allergies, appear clumsy (in a right-handed world) and (from the same scientific reviews) be more likely to suffer from cardio-vascular troubles.\n\nAlso, why should we have to pay double for lefty friendly implements (scissors, pens, knives, etc)