Rest your voice after surgery. Drink plenty of water. Avoid e-cigs. Inhale steam. Moderate voice use to avoid vocal fold lesions. Use stroboscopy or laryngoscopy to identify laryngopharyngeal reflux.
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Speech-language pathologists often accept these (and other) statements as truisms in voice care. But is there scientific evidence to back them up?...

Tim Urban breaks it down in an easy to digest blog