Do you make decisions quickly based on incomplete information? Do you lose your temper quickly? Are you easily bored? Do you thrive in conditions that seem chaotic to others, or do you like everything well organized?

Those are the kinds of questions used to measure novelty-seeking, a personality trait long associated with trouble. As researchers analyzed its genetic roots and relations to the brain’s dopamine system, they linked this trait with problems like attention deficit disorder, compulsive spending and gambling, alcoholism, drug abuse and criminal behavior.

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