to be in a situation in which sth bad could happen to you :
People who are overweight run a risk of a heart attack or stroke.
to be in a situation in which sth bad could happen to you :
People who are overweight run a risk of a heart attack or stroke.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005