Risks come from all directions. Hypothermia, tetanus, bad water are risks. But survival can also be a matter of not living in an unregulated free market. A polluted environment and unhealthy work conditions can kill you. Cancer is not a pleasant way to go. It is often slow, ugly, painful and demoralizing.

http://www.grist.org/pollution/2011-05-25-cancer-now-leading-cause-of-death-in-china