A topic of “1.1 billion young people facing hearing impairment” caused widespread concern among netizens. On the 13th, they were ranked first in the microblogging hot topic list.According to data released by the World Health Organization on the 12th, about 1.1 billion young people (between 12 and 35 years old) are facing an irreversible risk of hearing loss, and the volume of personal audio equipment is too large (such as listening to music with a mobile phone). An important cause of risk.

The postscript of Little Hearing And A Big World--Yu Beier