ESSAY 2

+ Introduction 

+ What is the extent of the problem?

+ How does NIHL occur? NIHL can occur only humans expose themselves to very intense loud sounds for long periods of time. Individuals expose themselves to loud sounds in everyday life, especially during participation in recreational activities such as playing in bands, seeing a very loud live show, shooting weapons, listening to headphones, mowing lawns and using woodworking tools. Sounds that are heard that are less than 75 db, are less likely to cause hearing loss, when sounds that are above 85 db can affect human hearing. If the sounds are louder, the worse it is for hearing and the less time it takes for NIHL to occur. Average db rating for a normal human conversation is 60 …show more content…
Most humans will not notice and will simply ignore the symptoms of NIHL until they become hard to not notice. As time goes by, people that are effected by NIHL will notice that everything they hear will sound unclear or muffed and eventually request the other person to speak louder during a conversation or turn up the volume on their headphones. Most people that are heavily effected by NIHL will be using hearing aids to “magnify” the sounds to help them hear sounds during daily activities. NIHL has its own symptoms such as ringing and buzzing sounds that occur in human ears. The symptom is professionally called Tinnitus and it may get worse over time and can happen throughout an exposed individuals life in one or maybe even both ears. Tinnitus symptoms suggest that an individual may have been affected by NIHL or just beginning to suffer from constantly being surrounded by extremely loud sounds. Tinnitus has direct effect on human life by disturbing sleep, concentration and it may influence thoughts and emotions. Another common symptom of NIHL if an an individual has trouble hearing a person with whom they have a conversation with while standing 3 feet away from them as they have difficulty understanding speech, as they hear them speak. Also if trouble hearing high frequencies occurs, it may be another sign of