The immune system is the first in the body to react, integrate, resolve and evolve. It is a highly integrated system using resources from the entire body to orchestrate its general and specific roles. As we age, the immune system picks up the pace on behalf of the organ systems' decline in efficiency. Proper nutrition can have a profound effect on the immune system when it is battling disorders associated with nutritional deficiencies or conditions interfering with the body's use of nutrients.