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Be alert to teen deafness

According to data provided by the World Health Organization, about 11 million teenagers around the world face the risk of hearing loss due to unsafe use of devices such as smartphones and headsets. WHO also analyzed data from middle-income and high-income countries. The results showed that nearly 12% of 35-XXXXX people used their personal audio equipment to the volume being unsafe.

Teenagers face hearing crisis

An 18-year-old boy was diagnosed with hearing impairment caused by noise damage, which made the young man very surprised. In his opinion, he was so young and didn’t touch the noise very much, so he lost his hearing. So, what is the cause of this patient’s hearing impairment? The doctor carefully asked, this guy especially likes to listen to music, and regardless of the occasion and location, even in the noisy places are wearing headphones. According to experts, this situation is not a case, and it is very common among people who use headphones, especially among adolescents.

In China, the relevant agencies have conducted a sample survey conducted a questionnaire survey of 3826 students in a university. The results showed that there were 3819 people using headphones, and the headset usage rate was 99.8%, which used headphones 2 hours every day. Above, more than 800 people, accounting for more than 20%. Among the students surveyed, noise hearing impairment has exceeded 1000, accounting for nearly 30%.

Be alert to teen deafness

Long-term volume over 89 decibels may cause hearing loss

So, what causes the headphones to have a greater risk of hearing impairment? One is related to the use environment. If you use headphones in a relatively noisy environment, it will increase the volume of sound, which may increase the risk of hearing damage. Second, at present, China still lacks mandatory standards for hearing safety, and mobile phone products basically do not add volume prompt function. The results of risk monitoring show that about 50% of the earphone products have the highest sound pressure level, and the improper use will undoubtedly bring irreversible hearing damage. The safety risks brought by the headphones and accessory products should not be underestimated.

A survey report from the European Union showed that listening to music with headphones, headphones sounding more than 85 decibels, longer than 30 minutes, may cause temporary hearing impairment. If you listen to music at a volume of more than 89 decibels per day for up to an hour, you may lose your hearing permanently for 5 years. To this end, in order to play a role in reminding and warning, the EU has established strict hearing safety standards for headphones, and added a reminder function for volume safety restrictions in mobile audio devices such as mobile phones. At present, the mobile phone products from Europe have basically added the volume prompt function. At present, there is no such regulation in China, and the domestic mobile phone products are basically not marked.

A measure of scene noise in everyday life shows that the noise on noisy streets is generally around 70 decibels, while the noise in buses and subways is around 85 decibels. If you want to hear the sound in the headphones in a relatively noisy environment, you need a large volume, and the headphones may have been unknowingly hurting the user’s hearing. Studies at home and abroad have proved that using headphones for a long time and at a high volume can cause serious damage to the hair cells in the ear, thereby causing irreversible damage to the user’s hearing.

Protect your hearing, teens don’t wear headphones for more than two hours a day

When the person wears the earphone, the outer ear canal is tightly blocked by the earphone. High volume audio sound pressure can directly enter the ear and damage the hearing, causing irreversible hearing damage. Listening to music with headphones for a long time, hearing and fatigue will occur, causing hearing loss, the body will appear irritability, dizziness, insomnia, memory loss, inattention, slow thinking, abnormal psychological disorders, etc., for physical health Very harmful.

Experts remind that people who often wear headphones to listen to music should master the “60-60-60” principle, which is also an internationally recognized method of protecting hearing. 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. The external sound should not exceed 60 decibels. Adults use headphones no more than 3 ~ 4 hours a day, adolescents because the hearing organs are not yet mature, not more than two hours a day, intermittent listening is appropriate. And every time you wear the headset 30~40 minutes, you have to rest your ears. Listening to music with headphones should pay attention to reduce the volume, soft and not harsh, should be kept at 40 to 60 decibel is the best, should choose the volume can be flexible and free to control the headset, the situation can be adjusted in time when the sound suddenly becomes larger To protect hearing.

So close to school, only listen to the warm reminder to all students: when you enjoy the music to your pleasure on the way to and from school, you must control the volume; some students like to wear headphones for a long time to review, do homework, etc., this has a great impact on hearing Big, let your ears rest properly!

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