In an interesting new meta-analysis encompassing 15-studies involving over 229,000 participants, researchers found that increased patient optimism was associated with lower risk of heart attack and death. The study concluded: "The findings suggest that optimism is associated with a lower risk of cardiovascular events and all-cause mortality. Future studies should seek to better define the biobehavioral mechanisms underlying this association and evaluate the potential benefit of interventions designed to promote optimism or reduce pessimism."

It is available at this link:

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