A little as 3 or 4 decades ago people who were left-handed or had tendencies toward being left-handedness were thought of a "not normal." In some of the older or more superstitious cultures, a person who was left-handed was sometimes believed to have evil spirits or demons, subsequently when a child showed even the slightest inclination to be left-handed they were dissuaded from using their left hands. Even in the public school system, children were often given a slap in the wrist with a ruler or yardstick in order to prevent their using of their left hand.
With the advance in science, we have learned that left-handedness is a normal and society has come to accept left-handedness as such. In fact, science has shown that it is the right hemisphere of the brain that controls and operates the left side of the body, while the left side of the brain controls the right side of the body. (more…)