occurs when sound waves are
physically prevented from reaching
the inner ear. These problems might
be corrected through medical or
surgical treatment.
Common causes include:
- Perforated Eardrum
- Ear wax buildup
- Fluid in the
middle ear
- Abnormal growth
of the bones of the middle ear
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occurs when the sensory cells
of the inner ear (the hair cells)
or the auditory nerve itself are
damaged.
Common causes include:
- Prolonged exposure
to loud noises
- Certain drugs
can damage the nerves involved in
hearing
- Infections such
as mumps, measles, flu, and mononucleosis
- Genetic factors
- Aging
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