Effects of high sound intensity to a human ear
In recent years, noise pollution is one of the biggest problems facing today’s society and the planet. More and more products are manufactured in factories that generate a high sound intensity, airplanes with more powerful engines and other economic activities that what they do is increase the decibels perceived in the environment, causing a lot of problems for the health of living beings and it is our fault.
In the large metropolis, where most of the productive activities of the countries are developed, the problem is even more serious because these sites are the ones that concentrate the majority of the human population and cause a large number of health problems.
Companies and the world, in general, have begun to show a greater interest in how to solve this everyday situation and to have a better quality of life.
Next, the effects that this type of contamination can have on the human ear, its cause and how to solve this problem effectively will be explained in detail.
It is important to emphasize what effect is the result of an event that causes something and this is what will be analyzed along with its recommendations on how to solve it because this is important for everyone and people should know about the problems we are facing nowadays and how to solve them effectively.
The effects of high sound intensity to a human ear.
Physical effects
Noise is a big problem that we face as a society and this is reflected in how the body reacts patho-physiologically. This occurs generally when exposed to more than 60 decibels. How the body expresses its most common discomfort are: the pulse and breathing accelerate, the blood pressure increases, the digestive peristalsis becomes smaller, there are greater gastritis and colitis, there are greater pains due to neuromuscular failures, deterioration of vision in the dark, coordination and balance is affected too much, there is a greater tiredness, and an increase in the inability to sleep.
Another way in which noise can affect us is through the vocal cords and is that when we are exposed to so much noise we must form more our vocal cords to be able to communicate reasonably. This means that the noise is going to intensify even more and we will have to force our voice further, reaching the point of causing a sore throat, among others.
Psychological effects.
There are many ways in which noise can greatly affect the way we live psychologically. One of the most common is the increase in stress because for example, if we are at work next to the airport, where every 5 minutes there is a plane taking off, that noise is transmitted through our head and generates stress that causes lack of sufficient concentration to perform the work. Also, it greatly hinders the ease of communication that we must have for what demands us a lot in a situation not suitable for collective communication.
At the time of trying to rest in our homes, our celebration can be so stressed that trying to sleep can be very frustrating since it can generate a submissive or some kind of sound frequency that is annoying for us.
Hearing loss.
Loss of listening may be the most serious way in which the excess of sound can harm us. Since in this case, the ear stops working correctly and in many situations irreparably with the technological advances to date.
Immediate reactions to noise
The dilation of the pupils, the contraction of the muscles that become tense and painful, especially those of the neck and back, tachycardia, accelerated movement of the eyelids that close, again and again, respiratory agitation and decreased gastric secretion that It makes digestion difficult, there is also less blood supply and greater muscle activity.
In patients with cardiovascular problems, arteriosclerosis or coronary problems, loud and sudden noises can cause even a heart attack and in patients with diabetes, the elevation of sugar can cause coma and even death.
Concerning the reactions of the circulatory system, one of the most frequently occurs in the blood vessels of the fingers that tense and in the temples which can cause a headache.
The mechanism of how the effect is caused.
It is a physical phenomenon that is characterized by the formation of waves in the air, water, and other physical media. They are invisible to people but can be measured and perceived by the ear.
When an object receives a blow, the molecules that form it are vibrated and transmit the vibrations to the air forming sound waves. The sound is transmitted in the air from the point where it is generated and loses energy as it moves away.
Thus we hear less the further we move away from the source. Sound is also transmitted when it crosses obstacles, is reflected or absorbed by obstacles.
Sounds are produced in a job and these sounds are perceived. They are also heard by bouncing. On the other hand, the sounds are absorbed by furniture, walls, curtains, etc.
The safe sound intensity to a human ear
The World Health Organization (WHO) warns that 1.1 billion young people around the world are at risk of hearing loss due to exposure to noise that is part of our daily habits. More than 43 million people between the ages of 12 and 35 already suffer from disabling hearing losses in developed countries.
In a report published on the occasion of the International Day of Ontological Care (hearing care), which is celebrated on Tuesday, WHO estimates that 50% of this age group is exposed to risks due to the use of MP3 players and smart phones, and 40% for harmful noise levels in clubs, discos, and bars. Experts believe that 85 decibels (dB) for a maximum of 8 hours is the maximum level of exposure without risks that the human being can assume.
The allowable space of time decreases as the intensity of the sound increases. The question is best answered by turning to specific examples. The output volume of personal audio devices, such as headphones, can range between 75 dB and 136 dB at their maximum volume.
The WHO report recommends not using more than one hour at a volume under these devices. In nightclubs, discos, and bars, the average noise levels can range between 104 dB and 112 dB, and according to the parameters set by the WHO after 15 minutes it would no longer be safe.
The same applies to sports facilities, where the level ranges between 80 dB and 117 dB. Exposure to these environments causes tiredness in the auditory sensory cells, which results in a temporary loss of hearing or tinnitus (that feeling of ringing in the ears that you have for example when leaving a concert).
Measures to prevent ear damage caused by high sound intensity.
Noise, although it is not maintained or accumulated as other types of contamination, can cause damage to people in their quality of life and seriously harm their health. It becomes important until it has an impact on labor legislation.
Every day the number of sentences that identify noise as a health risk factor grows, admitting hearing loss as a work accident caused by excessive noise. To prevent the negative effects on our health of noise pollution, we find some solutions that are in our hands:
- Control our tone of voice when we have a conversation.
- Use a moderate volume on electronic devices, such as television or music equipment.
- Avoid tapping and banging at our home
- Do not use appliances during key hours of rest, such as after eating or late at night.
- When making reforms, request the appropriate permits and take advantage of the hours of the day to do so, so that no one’s rest will be harmed.
- Do not use the car horn, except in cases of emergency where it is strictly unnecessary.
- In case of having pets, check that they do not harm the rest and tranquility of the neighbors.
The effects that noise can have on us, can be very serious if they are not treated with time but the idea of all this is not how we respond when we are affected by any of these effects. The correct thing would be how we avoid presenting these effects in society and in living beings in a general way.
The care with exposure to high sound levels is essential to improve our quality of life, so we must try to help reduce the amount of noise we emit since we are directly affecting our lives and indirectly that of other people.
We must think about future generations and give them a better quality of life because we are people capable of generating change in our daily lives.
There are tools that we can use to increase our life expectancy and for that reason, we should not omit these opportunities to change the world and make the difference because our planet needs us and humanity. Only we can change this in a better world.
If you want to buy a pair of safe noise cancelling headphones, then below is our list of recommendations based on quality, price and users’ feedback
For more information about noise cancelling headphones and headphones in general you might want to have a look at our list of e-books below
- Your health and headphones
- The In and out of anti-noise headphones
- Evolution of headphones technology
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