Left-handedness refers to the preference for using the left hand over the right for tasks like writing, eating, and throwing. About 10% of the population is left-handed, which means they often face unique challenges in a world designed for right-handed people. For example, many tools and gadgets, such as scissors and can openers, are made with right-handed users in mind. Being left-handed is not just a simple preference; it is linked to brain function and genetics. Studies suggest that left-handed individuals may have different brain structures, which can influence their creativity and problem-solving skills. Famous left-handed people, like Leonardo da Vinci and Barack Obama, have made significant contributions in various fields, showcasing the strengths of left-handedness.