It is responsible for the physical and mental activities, respiration, expulsion of urine, faeces, fetus, menstruation, spitting, burping, speech, gives clarity to sense organs, sustains life by means of acting as a medium between mind and body. It is characterised by oily, sharp, hot, light, fetid, purgative and fluidity. Bad-kan is cold in nature and is characterised by oily, cool, heavy, blunt, smooth, firm and sticky. Bad-kan is responsible for firmness of the body, stability of mind, induces sleep, connects bodily joints, generates tolerance and lubricates the body. The diagnostic techniques include visual observation, touch and interrogation.
Special attention is paid to the condition of the patient's tongue and urine.
Touch Pulse reading forms the most important touching method employed in Tibetan medicine. Only after ensuring an important set of preconditions, the physician proceeds with a pulse diagnosis. This involves placing the three middle fingers at patient's radial arteries. Interrogation Interrogation forms the most important clinical aspect of the diagnosis. In fact, a majority of health problems, both in developing and developed countries, can be either directly or indirectly traced to poor diet or lifestyle.