Want to live longer? Be an optimist, study says

By Sandee LaMotte, CNN

Updated 2013 GMT (0413 HKT) November 4, 2020

As research into our mysterious gray matter continues to explode, scientists are getting ever closer to understanding what creates a calm, contented and happy brain. Answer these eight questions to see whether your brain is wired to be happy or if you might need to practice positivity.
Photos: Q&A: Do you have a happy brain?
Who doesn't want to be happy? – As research into our mysterious gray matter continues to explode, scientists are getting ever closer to understanding what creates a calm, contented and happy brain. Answer these eight questions to see whether your brain is wired to be happy or if you might need to practice positivity.
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<br />A: If you picked the kitten or pup, your brain may be wired to be happy. <a href="http://scan.oxfordjournals.org/content/9/6/760" target="_blank">Studies</a> show that people who have happy brains respond more to positive things than negative or neutral ones.