(CNN) -- Here's a roundup of five medical studies published this week that might give you new insights into your health, mind and body. Remember, correlation is not causation -- so if a study finds a connection between two things, it doesn't mean one causes the other.
Researchers tracked the cardiovascular health of more than 5,000 seniors with no known heart problems over four years. In 2006, participants in the Health and Retirements Study were asked how much they felt a part of their neighborhood, if they had neighbors who would help them, whether they trusted...
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