Presbycusis is the second most common illness next to arthritis in aged people .
Presbycusis is the most common cause of hearing loss , afflicting one out of three persons by age 65 , and one out of two by age 75 .
cause is the second most common cause next to arthritis in aged people .
Presbycusis is the most common cause of hearing loss , afflicting one out of three persons by age 65 , and one out of two by age 75 .