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The importance of hearing protection
- Feb 14, 2019 -

Hearing loss is caused by excessive sound, and exposure to excessive noise from industrial machinery, heavy construction equipment and vehicles, power tools, aircraft, gunfire, motorcycle and auto race tracks, dental drills, sporting events, fireworks, rock concerts, marching bands, and music from a player's own instrument or nearby instruments can cause hearing loss depending on the intensity and duration of the noise. 

hear protection

The cochlea has two types of hair cells, inner and outer. The outer hair cells appear to provide the ear's sensitivity to hear quiet sounds. Inner hair cells appear to provide all the information to the brain. It has been suggested that high-intensity noise causes extensive damage to the inner and outer hair cells; long-term lower-level noise causing the same audiometric loss may show predominately outer hair cell loss. What this implies is that the type of noise exposure may determine the severity of future communication problems.

Some persons are more susceptible to hearing loss from high-level sound than others. For example, tinnitus (ringing in the ears) and temporary hearing loss can occur from a single concert, sporting event or sudden loud noise like a firecracker. In rare cases, permanent hearing loss results from such auditory insults. Even if a temporary hearing loss recovers over a period of hours to days, there is a risk that repeated exposure to loud noise will result in permanent hearing loss.

So if the place where you work is very noisy, please be sure to choose a suitable earmuff to protect yourself.

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