This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
" Tridosha theory of disease" belongs to which system of Medicine? 
Select and explain. 
A. Homeopathy, B. Ayurveda, C. Siddha, D. Unani
B: Ayurveda
Answer: B: Ayurveda 
Explanation: Ayurvedha [Disease occurs when there is disequilibrium in three doshas namely, Vata (wind), Pitta (gall) and Kapha (mucus).