Vocal fold paralysis also known as vocal cord paralysis is a voice disorder that occurs when one or both of the vocal folds dont open or close properly single vocal fold paralysis is a common disorder paralysis of both vocal folds is rare and can be life threatening. The vocal folds vibrate to produce sound anything that makes it harder for the vocal folds to vibrate can cause a voice problem vocal fold paralysis happens when one or both vocal folds are not able to move it can also cause breathing and swallowing problems. Vocal cord paralysis can affect your ability to speak and even breathe thats because your vocal cords sometimes called vocal folds do more than just produce sound they also protect your airway by preventing food drink and even your saliva from entering your windpipe trachea and causing you to choke. Vocal cord paralysis and paresis can result from abnormal function of the nerves that control your voice box muscles laryngeal muscles people have one set of two vocal cords also known as vocal folds that work together in your voice box to produce sound
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