Passive toxins is an interactive object that explores the contemporary relationship between food and us. Eating is for many of us a pleasing activity. However, as we become aware of the food we are eating, we realize that some toxins are entering in our body. The speed of the damage is slow and hidden by pleasure. We might want to change this but the system does not allow much change. The imagery used is chalk-paint graffiti made by the author. Manipulations of reverse time, saturation and brightness are applied to support the visual rhetoric.