May 18 is the National Vascular Health Day. The blood vessels interweave into a huge network in the human body, which is thick and thin, with clear division of labor. From the age of 20, the blood rubbish begins to deposit in the blood vessels. As time goes by, the blood vessels become brittle and hard. Why are some people's blood vessels always clear and refreshing, while some people have multiple blockages? Deng Hongping, director of vascular surgery at the People's Hospital of Wuhan University (Hubei Provincial People's Hospital), said in an interview with people.com.cn that the following six bad habits hurt blood vessels most, and we must be alert.

Poster production: intern Xu Xiaoyan