Hearing Aid Use Tied to Lower Mortality in Large Cohort Analysis
A large individual-participant meta-analysis spanning cohorts from Australia, Iceland, the United States, and Norway investigated whether hearing-aid use is associated with lower mortality. The findings suggest a link to reduced cardiovascular mortality, though the authors note possible confounding from healthier behaviors or shared pathways involving hearing loss, neurodegeneration, and cardiovascular risk.
The analysis pooled individual records from 13,851 people with an average age of 61.8 across Australian, Icelandic, and U.S. cohorts, then checked the pattern in 50,277 Norwegian adults. Greater hearing-loss severity tracked with higher all-cause and cardiovascular death risk, while current hearing-aid use was associated with lower risks.
Hearing loss affects roughly one in five people worldwide, and earlier mortality studies often drew on smaller groups of older adults and produced inconsistent results. The authors suggest the mortality link may reflect better health practices among hearing-aid users or shared pathways involving hearing loss, neurodegeneration, and cardiovascular risk.
Because hearing loss is common with age, findings could influence how older adults and clinicians view hearing aids—not merely as communication tools but as possibly relevant to broader health monitoring. If the association partly reflects healthier habits or shared disease pathways, uptake may prompt discussions about cardiovascular and cognitive risk. Still, observational links cannot prove that hearing aids extend life, so people with hearing loss may benefit most from personalized advice rather than assuming a device alone changes mortality risk.