Presbycusis affects two-fifths of adults past 65, yet many dismiss auditory deterioration as inevitable aging rather than seeking intervention. The sensory deficit typically emerges around age 50, progressing through damage to inner ear hair cells or neural pathways. Beyond communication difficulties, untreated presbycusis creates cascading health consequences including accelerated cognitive decline, social withdrawal, and increased fall risk due to balance disruption. This connection between auditory processing and cognitive reserve suggests hearing preservation may be a modifiable dementia risk factor. Modern interventions range from conventional hearing aids to cochlear implants for severe cases, with assistive listening devices offering budget-friendly alternatives. The key clinical insight is early identification through simple sensorineural versus conductive hearing tests, allowing targeted treatment before secondary complications develop. For aging adults prioritizing brain health and independence, addressing hearing deficits emerges as preventive medicine rather than cosmetic enhancement. The evidence supporting hearing intervention as cognitive protection makes audiological screening a longevity strategy, particularly given hearing aid technology improvements and expanding insurance coverage making treatment more accessible.