New research suggests that having a general sense of well-being, feeling energetic and cheerful, relaxed and happy with life may actually reduce the chances of having a heart attack. (Source: http://www.medicalnewstoday.com/articles/263175.php)
“If you are by nature a cheerful person and look on the bright side of things, you are more likely to be protected from cardiac events,” – Lisa R. Yanek, assistant professor at Johns Hopkins University School of Medicine