Every year, Americans set aside one day for gratitude. But why shouldn’t every day be Thanksgiving?
In one 2003 study, gratitude experts Robert Emmons of the University of California at Davis and Michael McCullough of the University of Miami asked some participants to keep a record of what they were grateful for, while others were asked to list the hassles in their lives. After several weeks, those in the gratitude group had a more positive outlook on life, exercised more and reported fewer physical problems.
Emmons also has compiled a list of health data points from his and others’ studies on gratitude that show there are many emotional and physical health benefits of being consciously thankful. For example, practicing gratitude is related to 23 percent lower levels of the stress hormone cortisol and led to a 7 percent reduction in biomarkers of inflammation in patients with congestive heart failure. There are studies that suggest gratitude led to reductions in depression and blood pressure and improvement in sleep quality among those with chronic pain and insomnia. In one study, 88 percent of suicidal patients reported feeling less hopeless after writing a letter of gratitude.
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