www.thelancet.com/journals/lancet/article/PIIS0140-6736(24)00711-6/fulltextPrivate View The ACHIEVE trial by Frank R Lin and colleagues1 showed excellent findings that hearing intervention slowed cognitive decline over 3 years in older adults at increased risk for cognitive decline (participants of the Atherosclerosis Risk in Communities [ARIC] study) but not in healthy volunteers. The ARIC participants had higher rates of diabetes and hypertension than the other (de novo ...