Positive psychology is a scientific study that focuses on human flourishing and optimal functioning. It aims to understand and build the positive qualities in individuals and institutions. The field emerged after World War II when psychology shifted its focus from understanding human potentials to healing mental illness. Some key aspects of positive psychology include positive prevention, which enhances traits like hope and optimism to buffer against psychopathology. Positive interventions are evidence-based activities designed to improve well-being, such as practicing gratitude, forgiveness, and savoring. Seligman's PERMA model outlines the five pillars of well-being: positive emotions, engagement, relationships, meaning and achievement.