Is it true that left-handed people are smarter than right-handed people?

Matthew Robison, Concord, N.H.

Chris McManus, professor of psychology and medical education at University College London, responds:

If by intelligent you mean someone who performs better on IQ tests, the simple answer is no. Studies in the U.K., U.S. and Australia have revealed that left-handed people differ from right-handers by only one IQ point, which is not noteworthy.

To read the full, original article click on this link: Is It True That Left-Handed People Are Smarter Than Right-Handed People?: Scientific American