Don't be silent about hearing loss.
D000368:Aged; D004867:Equipment Design; D005260:Female; D006310:Hearing Aids; D006311:Hearing Disorders / Q000628:therapy*; D006314:Hearing Loss, Conductive / Q000209:etiology; D006319:Hearing Loss, Sensorineural / Q000209:etiology; D006801:Humans; D008875:Middle Aged