Nowadays, young people, including office workers, have become accustomed to listening to music on the road. Music can cultivate sentiment, and can relax the mood and calm irritable emotions.Listening to music or learning English with headphones is now everywhere, and it is also a favorite thing for everyone.However, how many people pay attention to the harm caused by wearing headphones for a long time, and how many people know about it?
With the advent of mobile phones, earphones are getting closer and closer to us. Frequent wearing of earphones will affect the auditory system.Severe cases can even cause permanent deafness, when the volume of human ears reaches 85 decibels.Long time can cause hearing fatigue, when the volume is increased to 110 decibels or more.Enough to cause the death of the hair cells in the human ears.In severe cases, it can also cause irreversible hearing loss.The volume of headphones is generally around 84 decibels.Some high frequencies can reach 120 decibels.Such a volume has a great stimulating effect on the ear nerves.It will cause hearing loss for a long time, and the frequency of the language we use in daily communication remains unaffected.So it is often overlooked in the early days.Only ifHearing loss, Only after the hearing loss of language frequency reaches a certain level, the subjective hearing impairment will appear.
Therefore, the impact of using headphones to listen to young people usually takes many years to show up, so people nowadays generally don’t feel the harm.After a person puts on the earphone, the outer ear is almost in a occluded state, and the high-volume audio sound pressure directly enters the ear and is concentrated on the thin eardrum.At the same time, the distance between the vibrating membrane of the earplug machine and the eardrum is very close, and the range of sound wave propagation is small and concentrated, which stimulates the auditory nerve of the eardrum relatively.Over time, it is easy to cause tinnitus, insomnia, headache, ear fullness and progressive hearing loss.Frequent wearing of headphones can also cause some systemic discomforts, such as dizziness, nausea and discomfort.If things go on like this, they are prone to inattention, slowed down thinking, memory loss, and even irritability, lack of patience and other abnormal psychological and emotional reactions.
When choosing earphones, you should choose good-quality earphones. Inferior earphones have poor ability to filter sound, and will emit too sharp high pitches, which can easily make your hearing excessively fatigued in an instant.If you listen to it for about 10-15 minutes, your ears feel swollen, dizzy, and accompanied by slight nausea, do not use such earphones.He finally reminded him not to turn the bass too low when listening to music with headphones, because the heavy and lack of detail bass can easily make the ears sore, the head feels full, and it will gradually reduce the hearing level.In places with loud noises such as buses or streets, it is best not to use headphones to listen to music, because people often increase the volume unconsciously, which will cause more damage to the ears.At the same time, you must not listen for a long time, preferably no more than 1 hour at a time.In addition, don’t listen while you are sleeping, otherwise the earplugs will be caught between the pillow and your ears, which will cause damage to your eardrums; if you listen and fall asleep, the damage will be more obvious when your ears are in a dormant state.
Hearing experts remind that people who often wear headphones to listen to music should master the “60-60” principle, that is, when listening to music, the volume should not exceed 60% of the maximum volume, and the continuous listening time should not exceed 60 minutes.Headphones have brought people a lot of convenience and added a lot of fun to life.But we must also fully understand the pros and cons of different earphone types, and wear earphones correctly to better protect our hearing.
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