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A recent preprint surveyed adults (middle-aged and older) in Canada about how much they know regarding connections between hearing loss, hearing aids, and brain health such as dementia or cognitive decline, and whether that awareness relates to their behavior toward hearing care. Respondents answered questions about whether they had heard that untreated hearing loss might be linked with cognitive decline and whether hearing aids could help reduce that risk, along with self-reports of hearing and cognitive function.
Across regions, only a minority of participants reported being aware that hearing aids might help prevent or lower the risk of dementia or cognitive decline. Awareness levels varied by province but were generally low, pointing to gaps in public knowledge about why treating hearing loss earlier could matter for brain health.
Read the preprint here.
