The dangers of using earphones for too long
Listening to high volume on earphones can cause a variety of problems. Dr. Anup Talukder, a postgraduate trainee in the Department of Ear, Nose and Throat, Mitford Hospital, Dhaka, gave advice in this regard.
How do we hear?
Many people know the answer to this question. A sound wave enters our ear canal and hits the eardrum. This causes vibration in the eardrum. This vibration then enters to the inner ear through the three small bones of the middle ear (melias, incas, stapis). The liquid jelly-like substance in the inner ear is then moved by this vibration, the movement of this fluid stimulates the hair cells like hairs in it. It is from these cells that we hear the sound through the ear nerves.
Many of us now use headphones or earphones to listen to music or movies ...