Study: Ambidextrous kids more likely to struggle in school

January 25, 2010 Experts reporting in the journal Pediatrics say the connection may have to do with the brain's wiring.

Researchers know that whether a person is left-handed or right-handed is linked to what part of their brain is more dominant. ADHD could be linked to having weaker function in the right hemisphere of the brain.

Experts say understanding connections between brain difference and behavior is vital to understanding many conditions.