This document discusses concepts of immunity (vyadhikshamatva) in Ayurveda. It provides definitions of immunity from Charaka Samhita as resistance to disease formation and spread. Factors that maintain immunity are listed as proper nutrition, balanced doshas/tissues/waste, and healthy channels and digestion. Factors that lower immunity are obesity, emaciation, weak tissues, improper diet/fasting, and unsuitable mind. Processes to boost pediatric immunity discussed are praashana (medicated ghee), rakshakarma (protection rituals), mantras (chants), lehana (licking treatments), and karna vedha (ear piercing). The importance of immunity in health