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156 there is no antagonist at hand, try such of the exercises as may be done alone. The result in improved vitality will be apparent within a few minutes. Yet, at such times, do not attempt to overdo. From five to ten minutes of work will be found sufficient. The right indication is discovered when the body warms and the flesh tingles. Then stop, resuming the work at a later time when feeling in good condition.

If extremely nervous, or unable to sleep, a very moderate amount of exercise—preferably in the open air—followed by bath and bed is likely to be productive of immediate relief. Even persistent insomnia can be cured by continuing this course night after night.

The Americans are proverbially a nervous, high-strung race. The Japanese are calm to the point of serenity. Faithful study and practice of all their rules for physical well-being will work a marvellous change in the physical and nervous vitality of the American people.