According to the University of South Florida, it was the largest randomized, controlled clinical trial testing the efficacy of hearing aids for reducing long-term cognitive decline in older adults. ACHIEVE evaluated patients between ages 70 and 84 with untreated hearing loss. These patients were free from substantial cognitive impairment.
Researchers conducted the study across four U.S. study sites, evaluating 977 total participants across two populations. Healthy community volunteers included 739 participants, while 238 participated in the Atherosclerosis Risk in Communities (ARIC) study.
The multisite study found that, in older adults at increased risk for cognitive decline, hearing intervention slowed down the loss of thinking and memory abi…