Scientists Discover Why Your Immune System Doesn't Eat You Alive

New medical research is challenging humanities understanding of it's immune system.
Commonly found in youths, the self-reactive T cells are our most aggressive means to combat pathogen.
However, these T cells can also attack the body, negatively effecting health as the result of autoimmune diseases or disorders.
Because of their potential threat, scientists believed the body had a way of riding these cells when the immune system fully matured.