Jessica Wynn
👤 SpeakerAppearances Over Time
Podcast Appearances
And there is actual science behind all this.
Well, maybe a little of both.
Handedness is this weird mix of genetics, environment and random quirks in brain development.
As our understanding of genetics unfolds, we are learning more about what causes traits like handedness.
What we do know today is that there's no single left-handed gene.
It's more like a cocktail of small influences all mixing together.
Oh no, yeah.
Lefties are rare.
Only about 10% of the world's population is left-handed.
Right.
And get this.
Statistics also show men are slightly more likely to be left handed than women.
If you're a man, you have about a 12 percent chance.
Women, 10 percent.
Why that is, is still a complete unknown.
I mean, it's not a huge difference, but statistically significant.
Anyway.
I mean, there's some other interesting patterns, too.