Report: Left-handers more likely to be schizophrenic

December 6, 2011

According to a report in the Wall Street Journal, about 10 percent of the population is left handed, but a disproportionate amount of people with schizophrenia, about 20 percent, are lefties.

Researchers say other psychiatric and developmental disorders are also more common in left-handed people including dyslexia, ADHD, language difficulties and mood disorders.

Typically, the brain has a dominant side. Researchers say 30 percent of lefties show a right hemisphere dominance or a distributed pattern of dominance, which could lead to a greater risk of brain disorders.

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