It's easy to take your hearing for granted until it's too late.
With the wide 16 _ (popular) of digital entertainment products, it is not uncommon to see people wearing headphones and listening to music 17 running in the park or using public transport. And the volume is often 18 loud that people around them can hear the music as well.
However, doctors warn that such behavior can potentially damage 19__ hearing. "Innoisy places, people tend 20 _(turn) the volume up to get the same clarity of sound. Unfortunately, that can damage the hearing 21 people being aware of it," said Feng Yongfeng, chief ENT physician at Beijing Tian'an Hospital.
After Spring Festival, the hospital witnessed 22 slight increase in the number of teenagers coming in with hearing problems, 23 Feng attributed to them wearing headphones at home for long periods during the holiday. Feng said both in-ear and overhead headphones can harm the ears and 24 (advise) against using them for long periods. He said if you do use headphones it is worth 25 (invest) in the highest quality you can afford.