Recently, a woman tried to inhale nitrous oxide half a year ago. Three months later, she took more than 50 bottles of nitrous oxide a day, which directly caused her to be unable to walk and was almost paralyzed.

What the hell is laughter?

Is it addictive?

What are the harms caused by the abuse of laughing gas?

The attending doctor of the Department of Anesthesiology of Beijing Shijitan Hospital revealed the "true face" of laughing gas.

(Reporter Lang Jiahui)

Responsible editor: [Ji Xiang]