Verified by Psychology Today
Positive psychology is the study of happiness. Psychology has traditionally focused on dysfunction—people with mental illness or other issues—and how to treat it. Positive psychology, in contrast, is a field that examines how ordinary people can become happier and more fulfilled.
Optimists have a tendency to make lemonade out of lemons, and to then see the glass as half-full rather than half-empty. It's an admirable quality, one that can positively affect mental and physical health.
Gratitude is an emotion expressing appreciation for what one has—as opposed to, for example, a consumer-driven emphasis on what one wants. Gratitude is getting a great deal of attention as a facet of positive psychology: Studies show that we can deliberately cultivate gratitude, and can increase our well-being and happiness by doing so.