lefthanded people

Left handed people make up about 5-15% of world's population,although the exact number is not known. Many famous lefties have graced this earth,so many so there is an annual left handers day ''august 13th''! Are left handed people smarter? Yes according to IQ tests administered to left and right handed people,the result concluded that the lefthanded people had higher scores. Lefthanded people are smarter because they are said to use the left and right hemispheres of the brain. Are you left handed or right handed?