The degeneration or failure of hearing neural pathways to the brain which can occur with aging is called presbycusis, while the condition of hearing a ringing or roaring in the ears is called tinnitus.
Presbycusis is the normal hearing loos that occurs with aging. The hearing ability is more affected for high-pitched sounds. Low-pitched sounds either are affected very less or are not affected at all. The areas inside the body that may be affected to cause presbycusis are: Inner ear, middle ear or the nerve pathways to the brain.
Tinnitus is the continuous sound of ringing audible to the ears. It can be caused as a result of some other disease or due to other reasons like exposure to loud sounds, whiplash, head injuries, excessive ear wax, or medication side effects.
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