Humans are brought into the world with a fundamental immune system that is weak. Through consistent interactions with the organisms in our environment, and inside our gut, we figure out how to battle against new microorganisms, which helps to strengthen the immune system.
Immunity, as we understand it through modern medicine, is the function of certain cells, enzymes and chemicals that attack pathogens and prevent them from creating diseases. The concept of immunity is explained in Ayurveda under multiple topics.
This video is all about how Ayurveda can be the answer to boost the immune system of the more vulnerable segment of population - the children and elderly.