Doctor insights on:
Why are some people left handed & why are some people right handed? What determines it? And is it true that left handed people are smarter & powerful?
Be patient: Although some researchers suggest an infant may use one hand more than another as early as 6m, most describe true hand dominance as emerging between 2 & 4 yrs. I worry when a child uses one hand more often before a year as it can be an emerging sign of a motor impairment as seen in cerebral palsy. ...Read moreSee 1 more doctor answer
Genetics: Read this article, it explains it well. Thank you for a very good question.Why Are Some People Left-Handed? Being a righty or a lefty could be linked to variations in a network of genes that influence right or left asymmetries in the body and brain By Natasha Geiling smithsonian.com September 12, 2013 Read more: http://www.smithsonianmag.com/science-nature/why-are-some-people-left-handed-6556937/#8MFOVV7UsUKuu2BZ.99 Give the gift of Smithsonian magazine for only $12! http://bit.ly/1cGUiGv Follow us: @SmithsonianMag on Twitter ...Read more
Left handed nature: At one time children would be forced to switch from left handedness to right handedness through persistent exercises and use of the right hand rather than the left. Since the left handedness arises from one's neurologic makeup, it will always be dominant, but one can learn right handed uses through persistence and exercise. To my knowledge, one is not really converted to the right handed nature. ...Read more
If I was born left handed and was left handed dominated ans then became right handed dominated would it mess up my body when using cell phones ?
Question confusing: Handedness is generally considered a prewired process in most, with right hand dominant most common. There are many left hand dominent folks, and some where no true dominance exists. (called ambidexterous). If your question is whether a cell phone triggered the change, i'd have to speculate no! someone prewired to do well with both may gravitate to right to fit in or it fits with your activities. ...Read moreSee 2 more doctor answers
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