University of Mississippi communication sciences and disorders student Madison Dacus, left, practices performing a hearing test in the department's Audiology Lab at the university's South Oxford Center. Dacus, from Jonesboro, Arkansas, completed her bachelor's degree this spring. (Photo by Kevin Bain/Ole Miss Digital Imaging Services)
OXFORD – Hearing loss affects more than 36 million Americans, and although hearing problems are commonly associated with the normal aging process, more than half of all hearing-impaired people are younger than 65.