" What are some of the possible or likely consequences of thinking of the body as a complex system?” Martin asks. “The first consequence might be described as the paradox of feeling responsible for everything and powerless at the same time, a kind of empowered powerlessness.” If one feels at least partly responsible for one's own health, she explains, but understands one's body as a complex system linked to other complex systems, including the community and the environment, the task of controlling all the factors that might affect one's health becomes overwhelming. "

― Eula Biss , On Immunity: An Inoculation