noun
A direct loanword from English, used in medical, financial, and general contexts to refer to something that increases the likelihood of a negative outcome.
喫煙は肺がんのリスクファクターです。
Smoking is a risk factor for lung cancer.
高血圧は心疾患の主要なリスクファクターの一
High blood pressure is one of the major risk factors for heart disease.