It is often compared to Ayurvedic medicine due to closely related beliefs and theories. Both focus on the main elements of life, which include earth, wind, fire and water. Both believe that the reason for illness or ailments is due to disproportion of the elements. The aim of the medicine, or other forms of treatment, is to restore the balance of the elements.
Unani believes that the body works best when there is harmony between the seven major principles of physiology. These principles are: elements, humors, temperament, vital spirit, functions, organs and powers.
The medicine typically given in Unani medicine is used to strengthen and encourage the immune system to work at its ideal level, in order to be strong enough to fight off and prevent diseases. Unani medicine has helped cure diseases such as respiratory, liver, skin, musculo skeletal and nervous system ailments.