In addition to wearing the clothing loose, so as to give every organ perfect freedom of action, it is of greatest importance that the extremities be kept thoroughly warm. Cold hands and feet are very common with dyspeptics. It will generally be found necessary to wear flannel under-garments throughout the year, graduating the thickness to the temperature. It will sometimes be necessary to change the clothing once or twice a day to accomplish this in extreme cases of disturbed circulation. Great pains must be taken to keep the extremities warm.