Presbycusis http://www.asha.org/public/hearing/C...oss-in-Adults/ http://www.asha.org/public/hearing/C...oss-in-Adults/ http://www.asha.org/public/hearing/C...oss-in-Adults/ What are the Causes of Hearing Loss in Adults? http://www.asha.org/public/hearing/C...oss-in-Adults/ American Speech Language Hearing Assn contribute the loss to causes http://www.asha.org/public/hearing/C...oss-in-Adults/ http://www.asha.org/public/hearing/C...oss-in-Adults/ the American Speech-Language-Hearing Association: