The immune system is your body's first line of defense against illness. It sends out cells to destroy invaders like bacteria and viruses. But for some people, this system turns on them, attacking healthy tissues and organs.
People wonder why I'm a radical advocate for helping people with cancer (or major illness) at work. I often write about corporate responsibility, but I don't often write about what prompted me to do so. You might wonder -- what is it with this woman that she keeps talking about this?