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I've heard that tools like hammers that make short, loud noises are supposed to be more damaging to hearing than something that makes a more continuous noise. I'd just like to get some confirmation on that.
To begin with, hearing and hearing loss is individual, to some extent. One person may be able to tolerate a higher sound than another without any permanent damage to the hearing.
I think my recent reading implies that yes, some people are more susceptable to noise-induced hearing losss than others. It may be partly genetic, but several papers seem to indicate that the antioxidant vitamins (A,C,E, etc) may also provide some immunity to loud-noise damage (or facilitate rapid repair before the damage becomes permanent).
tools like hammers that make short, loud noises are supposed to be more damaging to hearing than something that makes a more continuous noise
If i am right about a firework being around 100db, and that being too close can cause immediate and permanent damage, then if you then think that an ipod can give you a continuous 100db without causing immediate and permanent damage. ...