Left-handed people more likely to develop neural disorders
(NEWSER) - About 10% of the population is left-handed, but a disproportionate amount of people with schizophrenia—20%—are lefties. Schizophrenia is just one of a number of psychiatric and developmental disorders that are more common in left-handed people, including dyslexia, ADHD, language difficulties, and mood disorders. Researchers think this could have something to do with the fact that each half of the brain performs distinct functions. Typically, a person's brain has a dominant side; in righties, that side is usually the left hemisphere. But 30% of lefties exhibit right-hemisphere dominance or a distributed pattern of dominance, which could lead to the greater risk of brain disorders. More»
