Many people like to wear headphones and turn the sound to the maximum in an attempt to cover the noise and listen to music quietly.
Young people habitually plug in headphones for a simple reason: they are isolated from the outside world and don't have to talk. If you put on masks and sunglasses, contemporary young people can really be mute + deaf + blind on the road, which can be described as contemporary "invisible people".
No need to chat with colleagues, say hello to leaders, or be disturbed by the outside world. In the era of too much noise, politely refuse the intrusion of the outside world and stay quiet in your own small universe.
But my friend, you're taking a risk! This is a way of damaging your hearing in exchange for a moment of peace. According to the data of the National Institute of deafness and other communication disorders (NIDCD), continuous exposure to 85 dB noise will cause harm to human body. 90-100 decibels can cause hearing loss, and 100-120 decibels are unbearable.
For example, if headphones are worn in subway cars with more than 80 dB, if excessive sound stimulation is used for a long time, the hair cells of the cochlea will have metabolic disorder, insufficient blood and oxygen supply, but the peripheral receptors are damaged, resulting in noise induced hearing problems.
Wearing headphones for a long time will cause continuous impact on the cochlea. When it is in the high decibel sound environment for a long time, the inner ear will be directly damaged. High sounds or noise constantly shock the liquid in the cochlea, resulting in the death of hair cells due to excessive stimulation. The reduction of cochlea will have an irreversible impact on human hearing.
Not long ago, #1.1 billion young people faced hearing loss # on the news of microblogging hot search, the World Health Organization warned that nearly 50% of the world's young people are at risk of hearing loss. According to data, 17% of teenagers in South Korea have suffered from "noise deafness". Many teenagers are used to wearing headphones to listen to music when walking or even sleeping. However, wearing headphones at a high volume for a long time may lead to "noise deafness"
There's nothing wrong with headphones. The fault is that you don't use headphones in the right way. So, how to protect our hearing?
A very effective way to use noise reduction headphones. Noise reduction headphones have the function of reducing background noise. In a noisy environment, you can still listen to music at a low volume.
However, noise reduction headphones are generally expensive. If you can't afford noise reduction headphones, you must abide by the "60-60" principle:
The volume shall not exceed 60% of the maximum volume: do not listen to music in noisy environment.
The continuous time of wearing headphones shall not exceed 60 minutes: relevant experts point out that adults should use headphones for no more than 3-4 hours a day; The hearing organs of teenagers are not yet mature, so the time of using headphones every day should not exceed 1-2 hours. It is best to use headphones by intermittent listening and rest every half an hour.
Maintenance of earphones and personal hygiene: in order to improve the service life of earphones and reduce some diseases caused by bacteria entering the ear due to long service life of earphones, we should regularly maintain and clean earphones. Earphones should be replaced if necessary. Generally, the service time should not exceed 3 years at most, because earphones may be aged due to long-term use, and there may be problems such as electric leakage or noise.
In addition, there are some methods. For example, be sure to turn off the music and remove the headphones before going to bed to avoid continuous stimulation to the auditory organs after falling asleep.
Back to the beginning, many young people are used to wearing headphones to isolate themselves from the outside world and have social phobia. If the earphone is used as a shelter, it can only function as an umbrella in rainy days.
Communication scholar McLuhan said that the media is an extension of people. Headphones are becoming our human organs. Taking off headphones has also become a hat off ceremony for contemporary young people in the social field. It's easier for them to take off their headphones than to talk.
