Gratitude is a psychological trait and emotion that involves being thankful and expressing appreciation for the positive things in one's life. Research in this area explores the effects of gratitude on mental and physical health, relationships, and overall well-being. It also examines how gratitude can be cultivated and practiced to promote positive outcomes and improve overall quality of life. Studies have found that regular expression of gratitude can lead to increased happiness, better social connections, and improved resilience to stress and adversity.