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The broader implications of hearing loss for the health and functioning of older adults have begun to be demonstrated in epidemiologic studies. These research findings on the association between hearing loss and poorer health outcomes have formed the foundation for national initiatives on hearing loss and public health. These national initiatives range from the Aging and Cognitive Health Evaluation in Elders (ACHIEVE) clinical trial to the recent passage of the bipartisan Over-The-Counter Hearing Aid Act. Utilizing population health research methodologies to study hearing loss can provide the foundation for initiating top-down approaches to increase the adoption and accessibility of hearing care for older Americans with hearing loss.Epidemiologic studies have informed national initiatives to address hearing care.National initiatives are transforming how hearing loss is addressed.Policy changes could enhance adoption of hearing aids and improve hearing care access.