People who speak or sing outside their normal vocal range can develop BBS; symptoms are chiefly an unnaturally deep or rough voice, or dysphonia, and vocal fatigue. The people most commonly afflicted are those who speak in a low-pitched voice, particularly if they have poor breath and vocal control. The syndrome can affect both men and women.
In 1988 an article was published, describing a discrete type of vocal dysfunction which results in men sounding like actor Humphrey Bogart and women sounding like actress Lauren Bacall; coincidentally, Bogart and Bacall were married to each other and made several films together. BBS is now the medical term for an ongoing hoarseness that often afflicts actors, singers or TV/radio voice workers who routinely speak in a very low pitch.
Treatment usually involves voice therapy by a speech language pathologist.
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