Chapter 28Specific Illnesses, Ailments and Other Physical Problems · Stammering

I don’t think stammering has anything to do with insufficient lung-power nor is it usually caused by malformation of the vocal organ — it is commonly a nervous (physico-nervous) impediment and is perfectly curable. I can’t say that I know of any especial device for it — people have used various kinds of devices to get over it, but behind them all will-power and a patient discipline of the utterance are indispensable.