What conditions does respiratory medicine treat? Is coughing a normal part of aging? When does snoring signal potential health risks? How can we prevent asthma and other respiratory illnesses?

To mark June 15 World Breath Day – a public welfare campaign launched in China – this episode of CGTN Health Talk takes you through the essentials of the body's airways. Our guest, Dr. Xu Jinfu, president of Shanghai Tongji Hospital, answers frequently asked questions about coughing and breathing difficulties, and shares three actionable tips for protecting your lungs.

Executive Producer: Zhang Jingwen

Producer: Yang Sha

Director: Chen Qingxuan, Song Chunni

Video Editor: Chen Qingxuan

Cameramen: Kang Kai, Wang Zihao

Cover Photo: Huang Ruiqi, Pei Zihan