Often wearing headphones to listen to music and sleeping on hearing damage depends on how loud your voice is and how long you listen to it. Earphones are already one of the equipment that many friends must bring when they go out. The World Health Organization released a data in 2019 that about 1.1 billion young people worldwide are at risk of hearing loss, and this damage is irreversible. The most important reason for this risk is that the volume setting is too high when listening to audio. There is a type of cell in the cochlea of our ear called the hair cell, which is responsible for receiving sound waves. If the sound is too loud, it will over-stimulate the hair cells, causing damage or death of the hair cells. These guys like hair cells are dead and one less can’t be repaired yet. If the hair cell responsible for feeling the sound of this frequency band dies, no other cell will inherit this position. It’s not easy for you to perceive