http://ihsinfo.org/ihsV2/Hearing_Health_info/010_Hearing_Loss_Symptoms.cfm
This page lists symptoms of hearing loss, including having a family history of hearing loss; having been repeatedly exposed to high noise levels; feeling growing nervous tension, irritability or fatigue from the effort to hear; increasing the television or radio volume to a point that others complain of the loudness, and more. The page links to additional hearing related information.