Abstract
Approximately 10% of human beings are left handed, although the incidence rate dif fers as a function of sex, age, and culturelgeographical locations. Studies reveal that (a) the incidence of left handedness is more common in Euro-American than in Orien tal (India, Japan, China) cultures, (b) the prevalence of left handedness throughout the historical era is best explained by genetic models, (c) left handedness is associated more with immune and psychopathological disorders, and (d) sanctions against left hand use are rooted to the belief system and social construction in a given culture. These obser vations were made in this article to ascertain the issues related to left handedness, espe cially in socio-cultural contexts.
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