Mizaj (Temperament) is one of the foremost and basic concepts of Unani medicine. Diagnosis and line of treatment of a disease are based on Mizaj of the patient and the drugs given for the treatment. Every human being has been endowed a specific Mizaj upon which structures and functions of his body are dependent. If the Mizaj of a person is changed his functions as well as structures tend to change. There are some factors responsible for alteration of the Mizaj like age, diet, weather, residence, occupation and habit. These factors play an important role in changing the Mizaj and in causing...