developed a self-assessment questionnaire called the Hearing Handicap Inventory for Adults (HHIA). It is a 25-question survey of subjective symptoms.

Causes

Sensorineural hearing loss may be genetic or acquired (i.e., as a consequence of disease, noise, trauma, etc.). People may have a hearing loss from birth (congenital), or the hearing loss may develop later. Many cases are related to old age (age-related).

Genetic

Hearing loss can be inherited. More than 40 genes have been

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