Hearing loss has been reported as a major, potentially modifiable risk factor for dementia and often co-occurs with tinnitus. Both conditions are prevalent and have been linked to brain health and cognitive decline. However, evidence from studies containing the whole age span of adults remains limited....
✦ The floor
Discussion
Signed responses from readers of the wire.
No actionable practice change yet; this cross-sectional design cannot establish causation between hearing loss/tinnitus and brain or cognitive changes, so findings are hypothesis-generating only.
Understanding whether self-reported hearing loss and tinnitus independently associate with brain structural changes and cognition could strengthen the case for hearing intervention as a dementia-prevention strategy.
- 01Population-based cross-sectional study using SHIP cohort in Pomerania, Germany.
- 02Examines self-reported hearing loss and tinnitus as exposures, not audiometrically confirmed thresholds.
- 03Outcome measures include brain structure (likely MRI-based) and cognitive function tests.
- 04Cross-sectional design limits causal inference between hearing status and brain/cognitive outcomes.
- 05Findings are relevant to the growing dementia-risk and hearing loss research agenda.
Self-reported hearing loss and tinnitus are associated with differences in brain structure and cognitive function.
studypartially supported- PMID
- 42675511
- DOI
- 10.1186/s13195-026-02166-6.
- Journal
- Alzheimer's Research & Therapy
- Publication type
- research_article
- Evidence level
- 3
- Population
- General adult population in Pomerania, Germany (SHIP cohort)
- Intervention
- Self-reported hearing loss and tinnitus
- Comparator
- Participants without self-reported hearing loss or tinnitus
Primary outcomes
Brain structural measures (MRI-based); Cognitive function scores