174. What is the effect upon the circulation of taking food? Should we labor or study just before or after a meal? Why not? What time should intervene between our meals? Is "lunching" a healthful practice? Eating heartily just before retiring? Is it never wise to eat at this time? (See p. 337.) Why should care be banished from the table? Will a regular routine of food be beneficial?
175, 176. Describe some of the wonders of digestion. What are the principal causes of dyspepsia? How may we avoid that disease?
177. What are the mumps? What care should be taken? Is alcohol a food? Illustrate.
178-187. Compare the action of alcohol with that of water. Is the alcohol taken into the stomach eliminated unchanged? Does alcohol contain any element needed by the body? What is the effect of alcohol upon the digestion? Will pepsin act in the presence of alcohol? What is the effect of alcohol upon the liver? What is "Fatty Degeneration"? What is the effect of alcohol upon the kidneys? Does alcohol impart heat to the body? Does it confer strength? What does Dr. Kane say? Describe Richardson's experiments. Tell what peculiar influence alcohol exerts. What is alcoholism? What is heredity?
317. What characteristics should good drinking water possess? Are these always proof of its purity? Will filters remove all danger of contamination? How may a river infect the entire population of a town? State how well water may become a dangerous drink.
318. Relate how cases of fever have been caused by carelessness in dairies. How should suspected water be treated? Describe a convenient portable filter. Tell how water is affected by foul air.
319. Tell how ice may breed disease. What caution should be observed in engaging ice for our summer supply? Illustrate the structure of the glandular coat of the stomach.
320. What is the office of the cells? Describe the life history of a cell. How does the stomach weep, and what is the character of its tears?
321. What is tyrotoxicon? Give Dr. Vaughan's experiments with cheese, milk, and ice cream. Tell how milk may be poisoned.
322. Compare the vigor of exclusively fish-eating with flesh-eating people. What is the peculiar value of fish as a diet? To what class of people is it best suited? Name examples. Describe the principles contained in coffee. What is the effect of caffeone? Of caffeine? Give some of the specific effects of coffee. How does tea differ from coffee? Describe the injurious effects of excessive tea drinking.