If you find it hard to converse in a busy restaurant, the problem could be your hearing. Nearly 10 percent of Americans have trouble with their hearing, but a surprising number aren't doing anything about it. What are the latest developments in treating hearing difficulties and tinnitus? Guest: Charles Limb, MD, Assistant Professor of Otolaryngology in the Department of Head & Neck Surgery at Johns Hopkins Hospital, Baltimore, MD; Staff Physician and Research Fellow at the National Institute on Deafness and Communication Disorders in the National Institutes of Health, Bethesda, MD; also on the faculty of the Peabody Conservatory of Music. Click here to download our podcast.