Do hearing loss interventions prevent dementia?

Due to aging populations and increasing numbers of people living with dementia, identifying treatments and strategies to prevent or delay the onset of dementia is a global priority. One report concluded that delaying the onset of dementia by only 2 years would reduce the prevalence of dementia by 20% [1]. Healthy lifestyle interventions offer an opportunity to prevent or delay dementia [2]. The 2020 Lancet Commission report on dementia prevention and care [3] summarized various potentially modifiable lifestyle factors and long-term medical conditions linked to the risk of dementia. The report concluded that if o…