The three Doshas (Tridoshas) are Vata, Pitta and Kapha. Their psychological correlates which play a role in the functioning and behavior of humans is the Trigunas—Sattva, Rajas and Tamas.
Pitta types are determined, competitive, ambitious and highly intelligent, with good insight and keen discrimination. Pitta personalities are perfectionists, have strong intellect, strong digestion, are radiant, have glowing skin, sleep through the night and have inner peace and happiness.
The concepts of universal interconnectedness, the body's constitution (prakriti), and life forces (doshas) are the primary basis of ayurvedic medicine. Goals of treatment aid the person by eliminating impurities, reducing symptoms, increasing resistance to disease, reducing worry, and increasing harmony in life.