Enbrel is a lifestyle drug that promises to enhance life’s quality by reducing the impact of arthritis and related conditions. And yet, it can render the body vulnerable to forms of disease that were never really left behind: infections like consumption, degenerations like cancer. The apotheosis of contemporary biotechnical achievement creates a strange loop to the past. Even as we coax hamster ovary cells to emanate life-affirming resilience, we also summon old demons that might otherwise remain shrouded in the shadows.