The “Dosha” theory (Three Doshas) is one of the basic theories of Ayurveda. The word “Dosha” is a Sanskrit word whose expansion is “Dooshayati Dosha” i.e. That which gets easily vitiated is “Dosha.”
Body constituents (tissues) are always in the process of metabolism, which is a combination of deterioration (catabolism) on one side and construction (anabolism) on the other. Health is maintained by balancing these activities.
Metabolism is controlled by a lot of chemical reactions, hormonal activity etc. When these systemic and natural functions get disturbed, it results in various types of diseases. As the basic functions of the body are innumerable, the number of diseases are also innumerable. Even Hippocrates, the father of the Modern System of Medicines accepts the importance of the “Dosha” Theory.