It’s Okay To Be Smart Explains Different Ideas About Why Some People Are Left-Handed

Host Joe Hanson explains different ideas about why some people are left-handed in a recent episode of It’s Okay To Be Smart. There is no definitive answer, but Hanson explores some of the leading theories about what causes left-handedness and its possible evolutionary implications.

We’ve got two perfectly good hands attached to two perfectly good arms, so why do most people prefer to use one over the other for common tasks?