Risk (n.) is a scientific question when dealing with its estimation, but a political question when concerning the level of acceptability of a risk.
Risk (n.) is an extraordinarily constructed idea, essentially decontextualized and desocialized. Thinking about how to choose between risks, subjective values must take priority.
Risk (n.) is indifferent to any split dividing the modern and the primitive. We actually become primitive in times of risk -even more primitive.
Risk (n.) is real threats which have been socially selected and transformed and politicized in culturally determined ways.
Risk (n.) is simply a culturally relative phenomenon that is perceived different depending on what interests, ideologies and politics are at stake in trying to determine its nature.
Risk (n.) is structurally similar to taboo, differing only by degree.
Risk (n.) is a subject about which any public debate is always really a debate about politics.