According to the US Census bureau in 2019, there were approximately 54.1 million elderly people aged 65 or older in the US. Furthermore, approximately one out of three elderly people, age 65 to 74 report hearing loss (HL), while after age 75 this number rises to almost 50% (National Institute of Aging, National Institute of Health, nd).
HL is linked to the loss of high-frequency sounds, arising from the loss of inner and outer hair cells at the basal end of the basilar membrane within the ear as we age. Goman and Lin (2016) discovered that after age 80 about 90% of older elderly will develop HL. The World Health Organization (WHO, 2019) anticipates by 2050 there could be
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