The Hidden Link Between Hearing Loss, Depression, and Dementia

Hearing loss is often treated as a simple sensory issue, but research shows it plays a much larger role in long-term brain health. In this episode, Dr. Layne Garrett explores the connection between hearing loss, depression, and cognitive decline, and why these conditions should never be viewed in isolation. Drawing from major research including the 2024 Lancet Commission and large-scale longitudinal studies, this discussion explains how hearing loss increases auditory load, reduces speech clarity, and forces the brain to work harder to process sound. Over time, this added strain may contribute to cognitive decline. At the same time, hearing loss often leads to social withdrawal, which can contribute to depression. Depression itself is associated with changes in memory systems, inflammation, and stress response, further increasing dementia risk. When hearing loss and depression occur together, the impact on brain health appears to be significantly amplified. This episode breaks down what that means clinically and why comprehensive care must address both hearing and mental health together. Dr. Garrett brings more than two decades of experience in tinnitus and complex hearing loss, including REM-verified hearing aid fittings and evidence-based tinnitus therapies. If you are concerned about hearing changes, cognitive health, or tinnitus, early evaluation can make a meaningful difference. You can learn more here. To schedule an appointment in one of or Northern Utah Clinics click here.