This information is based on a Harvard health article that compiled research on gratitude based on several studies. In this particular 10 week studyThis information is based on a Harvard health article that compiled research on gratitude based on several studies. In this particular 10 week study, those who wrote about gratitude daily were "more optimistic and felt better about their lives". More, those who wrote about gratitude daily were “more optimistic and felt better about their lives”.
