laughter

Playing can induce an intense state of happiness and contentment, like this young girl playing in the snow.

Euphoria

What Is Euphoria? Euphoria is the experience (or affect) of pleasure or excitement and intense feelings of well-being and happiness. Certain natural rewards and social activities, such as aerobic exercise, laughter, listening to or making music, and dancing, can induce a state of euphoria. Euphoria is also a symptom of...