Cortexi people currently have problems as well as hearing. In other useful words, to be hear you will need the jamming aid. Another type of deafness is sensorineural.
If you are not sure if you do, you can always ask your doctor, or just get one anyway. Even babies are not too young to have their ears checked, as there are tests specifically designed for the youngest members of our population. Generally speaking, partial permanent requires some sort of hearing aid.
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