the triple prescription will do its work in a couple of weeks and so effectively that subsequent relapses can be avoided by the most ordinary dietetic precautions.
In a former chapter I have mentioned a movement-cure specific for diarrhœa, viz., pedestrian exercise, especially in warm weather. On stormy winter days carrying weights (say, buckets full of coal) upstairs, for an hour or two, will prove a remedial equivalent. With the co-operation of a spare diet its efficacy will manifest itself before the end of the second day, unless the digestive organs should have been outrageously deranged by the abuse of virulent drugs.
Sleeplessness will eventually yield to almost any kind of physical exercise (quicker than to brain work), but among its mechanical specifics a German physician mentions mountain climbing. In explanation of his personal experience he has a theory that vertigo (dizziness) and the excitement of a perilous path at the brink of steep cliffs affect the brain in a manner that craves the relief of sleep. He also recommends several gymnastic substitutes (Ersatz Mittel), e. g., ladder climbing on the hand-over-hand plan. Place a long stout ladder against a wall at an angle of 45 de-
