What is Uyir Tatukkal, 3 vital energies for health and balance?

Siddha medicine, one of India's ancient systems, is based on Uyir Tatukkal, three vital energies Vali, Azhal, and Ayam. These govern movement, metabolism, and structural stability. Balanced energies ensure good health and energy, while imbalance can cause disease. Treatments aim to harmonise them, supporting overall wellness, digestion, strength, and vitality.