Siddha Medicine is an ancient form of traditional medicine originated in South India and Sri Lanka. The practiser of Siddha medicine is called Siddhar who laid the foundation for the system. Siddhar is considered to possess astha siddhis or the eight supernatural powers. In the Siddha medicine system, diet and lifestyle play a major role in health and curing diseases. This is termed as pathiyam and apathiyam, which is essentially a list of do's and don'ts.