Vocal organs used as here described will suffer no fatigue from reasonable use; hoarseness will be to them a thing unknown, and "minister's sore throat" an unheard of complaint.

Not only is faulty voice production a source of great discomfort, but it is the cause of many diseases of the chest, throat, and head.
The gentle practice in easy range of the exercises given in the chapter following, will do much to restore a normal condition..