All we as a society we are going deafening gradually, the uncontrolled multiplication of factories, of machines and technology we have become societies of noise and this confirm that noise measurements performed by experts and companies from occupational hazards. To music, increasingly sounds higher but loses quality due to compression formats such as mp3, as society has passed us the same, we produce a lot of noise but little communication, we are so accustomed to produce noise and hear noise from different sources that it is even something normal for us. Love of music at full volume increases the risk of premature deafness, this coupled with the abusive use of music in special appliances that use headphones has raised the number of visits by this condition. The phenomenon is more frequent among young people, because these are that most players known of mp3 and portable video game consoles use. Many mp3 players can reach peaks of up to 115 sound decibels, which could cause deafness, something that is not specified in the instructions for the iPod together with the continued use of the same. Studies by the British Deafness Research Foundation and by the American Association of Audiology, have shown that half of high school students have some type of ear disorder and British youth at risk of becoming deaf 30 years before what their parents and this would do so in the absence of a noise by their parents and teachers control. Studies show that the human ear begins to suffer from 80 decibels, the level at which tends to lower the music, and there is a safety threshold up to 120. Some negative effects which has noise on health, are: physical effects headache, hypertension, digestive problems, increased glucose, cholesterol, tiredness.
Scientific studies reveal that when a person this exposed to some noise intensity, changes occur in the blood circulation and in the functioning of the heart, insomnia, loss of hearing ability. For example, in the United States it is estimated that approximately 1,000,000 of workers have serious hearing problems due to high levels of noise and vibration in their psychological effects workplaces stress, irritability, depressive symptoms, lack of concentration. For example, workers in noisy workplaces, such as iron foundries, have more emotional problems than the of quietest places such as libraries or hospitals where they have the responsibility to isolate the noise. Social effects problems in communication and isolation..