1.1 billion teenagers have hearing problems

Hearing impairment is not only the concern of old friends. Who points out that about 1.1 billion teenagers and young people are at risk of hearing loss due to unsafe use of personal audio devices such as smart phones and exposure to sound levels that are harmful to their hearing in noisy entertainment places such as nightclubs, bars and sports venues. Hearing impairment can have extremely serious consequences for physical and mental health, education and employment.

According to data, nearly 50% of adolescents and young people aged 12 to 35 use personal audio devices with the volume too high to be safe, and about 40% of them are exposed to the potentially damaging sound level in the entertainment places. For example, eight hours of continuous exposure to a sound level above 85 decibels or 15 minutes of exposure to 100 decibels is an unsafe sound level.

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Teenagers should pay special attention to hearing impairment. Hearing safety depends on the intensity or size of the sound and the duration and frequency of listening. Exposure to loud sounds may cause temporary hearing loss or tinnitus. If the volume is too large or the exposure or duration is too long, it can cause permanent damage to the sensory cells of the ear, leading to irreversible hearing impairment.

“More and more young people are at risk of hearing loss in their daily recreational activities,” said the director of the WHO division for NCD management, disability, violence and injury prevention. They should know that once their hearing is damaged, they won’t get it back. As long as people take simple preventive measures, they can continue to enjoy recreational activities without damaging their hearing. “.

The maximum limit of daily exposure to noise in the workplace is 85 dB, with a maximum duration of 8 hours. Many customers of nightclubs, bars and sports events are often exposed to even higher sound levels, so the exposure time should be greatly reduced. For example, the noise in such occasions usually reaches 100 decibels. If the exposure time exceeds 15 minutes, it will damage the hearing.

We can protect our hearing by turning down the volume of personal audio devices, putting on earplugs in noisy places, using appropriate earphones, preferably noise reduction earphones. They can also limit the time they engage in noisy activities, allow the hearing organs to rest temporarily from time to time, and limit the use time of personal audio equipment to less than one hour. They can use smartphone apps to monitor safe listening. In addition, they should pay attention to the warning signs of hearing impairment and check their hearing regularly.

What’s the status quo of listening in China? CCTV’s weekly quality report reported the headphone quality survey, which showed that nearly 30% of college students suffered from hearing loss. According to the report, in a survey of 3826 college students in a university, it is found that the use rate of earphones is as high as 99.8%, and the number of people with noise hearing impairment has exceeded 1000, accounting for nearly 30%.

In the risk monitoring for four consecutive years, 86 batches of earphones were accumulated, of which 45 batches exceeded the maximum sound pressure level. If earphones were used improperly, irreversible hearing damage would be caused. At present, there is no compulsory standard for hearing safety in China, and risk earphones may cause permanent hearing loss.

We need to pay more attention to the problem of hearing impairment, and the whole people’s awareness of hearing care has begun to enter our vision. Once again, we call on the state to promulgate mandatory national standards and product quality specifications for earphones and related products as soon as possible, so as to protect people’s hearing from the root; if there are people with hearing impairment, we must select professional hearing testing institutions to test and debug hearing aids, so as to ensure the high-quality services of hearing professionals, fundamentally solve the problem of hearing impairment, and smoothly Back to the colorful world.

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