Type 2 Diabetes Quadruples Risk of Hearing Loss — Meta-analysis Finds Predominant High-Frequency Impairment and Links to Duration and HbA1c
A PRISMA systematic review and meta-analysis of 17 studies (2019–2024) found type 2 diabetes is associated with a 4.19-fold greater odds of hearing loss, especially at high frequencies; duration >10 years and higher HbA1c amplified risk.