About 10% of people are born left handed.
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About 10% of the world's population is left-handed. Left-handed people tend to have better spatial awareness and are often more creative. They may also have a slightly higher risk of certain health conditions, such as allergies and migraines.
Yes, the hand you write with can affect how you write. Left-handed individuals may have a different writing posture and hand movement compared to right-handed individuals, which can influence handwriting style and legibility. Additionally, left-handed writers may smudge ink or pencil marks as they write due to the natural hand movement from left to right.
Handedness is not directly related to intelligence. Research suggests that left-handers may have some cognitive advantages in certain tasks, such as visuospatial skills. However, intelligence is a complex trait influenced by various factors, including genetics, environment, and experiences.
The term "southpaw" for left-handed people is thought to originate from the sport of baseball. In baseball stadiums, the pitcher faces east, so a left-handed pitcher would have their throwing arm on the south side (paw) when delivering the ball. Over time, the term became associated with left-handedness in general.
Handedness, or the preference for using one hand over the other, is believed to be influenced by a combination of genetic and environmental factors. Most people are right-handed, as the left hemisphere of the brain controls movement on the right side of the body. However, left-handedness can also be attributed to genetics or variations in brain structure and development.