Presbylaryngis: The Aging Voice. By Karen VanderPloeg. Prevalence/Age of Onset. The San Diego Center for Voice and Swallowing Disorders: 72% of people over 40 years of age have some degree of vocal fold bowing. Stemple, Glaze, & Klaben (2000): Presbylaryngis begins around 65 years old.
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By Karen VanderPloeg