Boosting optimism, defined as the general expectation that the future will be favorable, could provide new ways to improve health, some researchers believe. But scientists remain unsure if optimism precedes health improvements, or vice versa.
Julia Boehm, a psychologist at Harvard University, and her colleagues performed what she describes as one of the first studies to investigate a measurable link between psychological and physiological health.
To test the correlation, researchers focused on the association between optimism and antioxidant concentration in the body. Antioxidants can help combat disease by neutralizing unstable molecules called free radicals.
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