Loss of hearing is perhaps as normal, if not more, as losing hair with age. Loss of hearing can also be caused by illness, certain medicines and in a large number of cases; it could be a birth defect.

Loss of hearing, however, can be helped with the use of hearing aides, which are electronic devices that convert sound pressure waves into electricity by a microphone.

The electric impulses are amplified and then reconverted to much more intense sound pressure waves by a receiver. These amplified waves are then presented to the impaired ear. The goal of a hearing aide is to make speech available to a listener, whatever the technology being used.

How do you know you need a hearing aide? Being sensitive to your body