Like any other object each dosa is also made of the five elements. The dosas can be understood from their qualities and actions in the body. They produce the characteristics of their elements in the body. For example, people with a vata dosa display characteristics and qualities related to the space and air elements - active, restless, mobile. The Tridosa theory is a basic principle of Ayurveda.
All humans have the three dosa, although there is always a predominance of one or more dosa.
This unique nature of an individual is called prakriti or constitution. Knowing your constitution assists both in preventing as well as curing the diseases. To determine what your constitution is, you can complete a simple questionnaire. To find out more about the tridosa , read a more detailed description. There are seven dhatus - plasma, blood, muscle, fat, bone, marrow and reproductive fluid.