The reason for a short voice is short breathing. You should gradually lengthen your breathing, learning to hold it, and also gradually practice going up and down from heights and stairs and holding your breath, as this forces you to take deep breaths and little by little lengthens your breathing. It is also useful to stay in a hot bath for a long time and in all places where you need to breathe quickly. And let the patient constantly hold his breath and do everything that has been said and exercise and go to the bathhouse, and upon leaving the bathhouse he should drink wine, for wine is the most nutritious substance for pneuma, and do this also after eating, and wine should often be drunk in one breath. Sleep is also beneficial for such people.