This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis or treatment. Contact a qualified medical professional before engaging in any physical activity, or making any changes to your diet, medication or lifestyle, MedicalResearch.com Interview with:
Alison R. Huang, PhD MPH
Senior Research Associate
Cochlear Center for Hearing & Public Health
Department of Epidemiology
Johns Hopkins Bloomberg School of Public Health
MedicalResearch.com: What is the background for this study? What are the main findings?Response: Hearing loss is a critical public health issue affecting two-thirds of older adults over 70 years old. There is growing understanding of a strong link between hearing loss and dementia, which impacts millions of Americans.
Our main findings are that in a nationally representative sample of older adults in the United States from the National Health and Aging Trends Study, every 10 decibel increase in hearing loss was associated with 16% greater prevalence of dementia, such that prevalence of dementia in older adults with moderate or greater hearing loss was 61% higher than prevalence in those with normal hearing.
We also found that in older adults with moderate or greater hearing loss, hearing aid use was associated with a 32% lower prevalence of dementia.
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