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Tag Archives: genetics

Intelligence largely inherited

Using a new type of brain-imaging scanner, researchers show that intelligence is strongly influenced by the quality of the brain’s axons, or wiring that sends signals throughout the brain. The faster the signaling, the faster the brain processes information. And since the integrity of the brain’s wiring is influenced by genes, the genes we inherit play a far greater role in intelligence than was previously thought.

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Happiness: it’s all in the genes

People tend to be hardwired for happiness, and new genetic research may help explain why. The new research identified largely inherited personality traits that researchers say are responsible for much of the genetic influence on happiness.

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