Scientists from the National University of Singapore have proven that hearing aids can reduce the risk of dementia by 19%. The research was published in the journal JAMA Neurology.
The authors analyzed eight long-term studies of adults with hearing impairment. They found that participants who used hearing aids were 19% less likely to show signs of cognitive decline than those who did not.
A subsequent meta-analysis of 11 publications found that participants scored 3% higher on short-term cognitive tests after using their hearing aids.
Previous studies have shown that hearing loss increases the risk of dementia by 9%. Scientists have suggested that hearing aids can restore lost neural connections, making sounds loud and clear for the deaf.
The findings show that hearing aids can have impressive benefits for the brain, but the authors note that rigorous randomized trials will be needed to investigate further.
Source: Gazeta
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