Hearing loss can be of three types. The most common type occurs when the auditory nerves face some permanent damage. The second, less common type happens when there is some sort of blockage in the outer section of the ear, which is preventing sound waves from stimulating the eardrum.

https://apnews.com/press-release/ts-newswire/nutrition-medication-colorado-hearing-loss-and-deafness-health-8f449bbd6691928a7e162b52d0972cb5

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