Besides Yiyang High School, the word Yiyang can also refer to a disease. According to medical research, Yiyang disease is a common disease among middle-aged and elderly people, which mostly occurs in men aged 50-70, mainly manifested as sexual dysfunction and urinary system symptoms. The incidence of Yiyang disease increases with age. Therefore, middle-aged and elderly men should pay attention to their health and have regular physical examinations to prevent Yiyang disease.
Yiyang also has a common usage, that is, "impotence" and "not lifting". In modern society, besides talking about health, this word is often used to describe some incompetent things or people. For example, a company's business is sluggish and a product's quality is not good, which can be said to be a positive. Although this usage is not very elegant, people can generally understand Yang Yi's meaning.