ally tend to loose their auditive capacity twice as fast as women do. The most usual deterioration associated with aging is the loss og auditive acutness in the internal ear, which is due to gene factors. At the age of fifty some realize that they have to ask to their interlocutors to repeat what they have just said, and by the age of seventy, almost everybody, is aware of this auditive loss. The constant exposition to loud noise is another key factor that contributes to the loss of hearing.
             One of the first signs of this disease an adult has is when they cannot listen to the doorbell or the phone ring at the distance. This usually happens by the age of 40. Fortunately, most hearin diseases have an easy solution. For a start, the person needs to adapt him/herself to the society, by asking others to speak louder, or adjusting the audio level in appliances. For even more critical auditive loss, small artefacts have been invented to amplyfie sound. It is
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