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 seen in the case of steady drinking. This gradually detroys the soundness of the nervous system and weakens self-control. The tendency with nearly all drinkers is to increase the amount taken.

Not Total Abstainers, but the Advocates of Universal Moderation are the Visionaries.—The evil results from alcohol are so great as to be almost incredible. The plainest statements of its effects are sometimes denounced as unscientific by persons prejudiced in its favor. A part of the two billion dollars annually paid for liquors is used in influencing public opinion through the press.

—1. Why does travel often cure a sick person when all else fails? 2. Why is working more healthful than "taking exercise"? (p. 47.) 3. Is it better for children to play or to take exercise? 4. Why can one walk and carry on a conversation at the same time? (p. 127.) 5. How does indigestion cause a headache? (p. 133.) 6. Does perfectly comfortable clothing from head to foot help to make one at ease in company? Does uncomfortable clothing tend to make one awkward? 7. Why is it as important to have the shoes and clothes perfectly comfortable when going out as when staying at home? 8. When one's finger is cut, where is the pain? 9. In what two ways may opening a window when a student is becoming dull and drowsy at his books enable him to wake up and study with ease? 10. What kinds of cells shrivel like a baked apple when they become fatigued? (Fig. 117.) 11. A nerve or nerve fiber can hardly become tired or fatigued, for the nerve cell supplies the energy. What do we mean when we say the nerves are worn out? (Fig. 117.) 12. Why do you throw cold water upon a fainting person? 13. Why does constant, moderate drinking undermine the health more than occasional intoxication? 14. Why does stoppage of the circulation cause one to faint? (See Chap. VI.) 15. Why is grazing the skin often more painful than cutting it? (Colored Fig. 1.) 16. Why do the lower animals always act upon sudden impulse? What part of the brain enables man to retain sensations and not act upon them until later? 17. Does "nervousness" more probably indicate a bright mind or a high temper? 18. What is the effect of a cold bath upon the nerves? (Chap. II.) 19. Did you ever know a cigarette smoker whose hand trembled? 20. Need there be any fear of a sobbing child holding its breath until it dies? 21. Why is muscle tone greater in cold weather?