something that may increase the chance of developing a disease. some examples of risk factors for cancer include age, a family history of certain cancers, use of tobacco products, certain eating habits, obesity, lack of exercise, exposure to radiation or other cancer-causing agents, and certain genetic changes.
to brave a danger―face a danger―defy a danger―dare a danger―tempt Providence―fly in the face of Providence―venture―(損をする危険なら)―run a risk―run a hazard
危険を伴うさま
危険信号.