What are the nidhana [causes] for diseases according to What is Ayurveda ?
Acharya details “KALA ARTHA KARMA DOSHANAM, HEENA MITHYA, ADHIYOGA” as the root cause of disease. By this he means all practice of an individual ignoring once prakrithi, seasonal changes, stamina, triads of life[food, sleep, sex], improper use of jnanendriya[sense organs], and karmendriya[hand, feet, etc..], karma doshas[unethical practices]as the nidhanam of rogas[diseases].