About 10% of the world population is lacking, a percentage that repeats in man from millennia since prehistory. However, you know very little about this phenomenon.
Certainly, it is a characteristic that derives from a genetic component, but at the moment there is no unique theory that explains why a child takes a pen with his left hand.
In this article
- How to understand if a child is left-handed
- Test for left-handed
- Children's features Mancini
- Correct Mancini Children