Many events and issues can result in vocal cord paralysis. Any trauma that affects the neck or chest can damage the nerves that are responsible for the larynx and vocal cords. Surgery in those areas can also cause damage. Events such as strokes that cause brain damage can disrupt the signals being sent to the voice box. Tumors and infections can also cause enough damage to result in vocal cord paralysis. The paralysis can also be a side effect of neurological conditions such as Parkinson’s disease.
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