More than 55 million people worldwide are living with dementia, with no proven cures in sight. That reality makes prevention of this terrible disease urgent. One of the most significant things we can do may surprise you: protect your hearing.
The 2024 Lancet Commission on Dementia Prevention identified hearing loss as the single largest modifiable risk factor for dementia in midlife. Eliminating hearing loss alone could potentially reduce dementia cases worldwide by up to 7%. Epidemiologic studies have consistently linked hearing loss to nearly twice the risk of dementia, and the risk grows with severity: every 10-decibel decrease in hearing ability increases dementia risk by 11 to 18%1.
Two mechanisms appear to drive this connection. First, a compromised auditory system forces the brain to work harder to process sound, diverting resources from memory and cognition. Second, hearing loss contributes to social withdrawal, which is itself an independent dementia risk factor.
One in three adults over 70 will experience hearing loss, yet fewer than 30% of those who could benefit from treatment actually receive it. Stigma and gradual onset are common barriers, but the cognitive stakes make early action essential.
The 2024 Lancet Commission concluded that the evidence supporting hearing loss treatment as a way to reduce dementia risk is now stronger than ever, and that hearing aids appear to be particularly effective for people who also carry additional risk factors for dementia. The landmark ACHIEVE trial found that among older adults at increased risk for cognitive decline, hearing intervention slowed the loss of thinking and memory abilities by 48% over three years1,2,3.
A hearing test is a straightforward, low-risk first step. If you or someone you love has been putting it off, now is the time. Give us a call or visit our website to get started.
Livingston G, et al. Dementia prevention, intervention, and care: 2024 report of the Lancet standing Commission. The Lancet. 2024. https://doi.org/10.1016/S0140-6736(24)01296-0
Huang AR. Hearing loss and dementia in older adults: a narrative review. Journal of the Chinese Medical Association. 2024;87(3):252–258. https://doi.org/10.1097/JCMA.0000000000001042
Cantuaria ML, et al. Hearing loss, hearing aid use, and risk of dementia in older adults. JAMA Otolaryngology, Head & Neck Surgery. 2024;150(2):157–164. https://doi.org/10.1001/jamaoto.2023.3509
Lin FR, et al. (ACHIEVE Collaborative Research Group). The Lancet. 2023;402:786–797. https://doi.org/10.1016/S0140-6736(23)01406-X