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Are you left handed? According to one research team, it could mean you're also a looney tune. The Wellcome Trust for Human Genetics at the University of Oxford has recently completed an international study of southpaws. The findings are a bit ... startling: the same gene that leaves one left-handed may also lead to the development of schizophrenia, a mental disorder that impairs perception and affects approximately 1% of the global population. It's all about brain symmetry. The gene in question, labelled LRRTM1, modifies that symmetry in the human brain. Although in most humans the left side of ... (view more)