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   Ann Gibbons
   Recent studies that analyzed the health and genetic records of over 6 million people have identified over 1,000 new genes linked to human intelligence and over 500 new genes “associated with neurotic traits.” The analysis suggests that higher intelligence is linked with a longer life span and less chance of suffering from Alzheimer’s Disease, ADHD, or schizophrenia. In contrast, genes linked to intelligence are also “correlated with a higher risk for autism.” While it has long been known that humans can “inherit intelligence and some personality disorders from their parents,” these studies provide confirmation. However, environmental factors like education and stress also play a significant role. These studies can point the way toward “new ways to improve education, or therapies to treat neurotic behavior.”
   Hundreds of new genes may underlie intelligence—but also autism and depression

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