t care should be given the teeth and mouth? Why?

10. What bad results frequently follow constipation? How should
constipation be remedied?

11. Name seven factors that are important in causing fatigue. Why is it
uneconomical to continue work, either physical or mental, beyond the
point of fatigue?

12. What facilities for recreation, especially in the open air, does
your community provide for little children? For school children? For
working boys and girls? For grown people?

FOR FURTHER READING

Health and Disease--Roger I. Lee, Introduction and Chapters I, III-V,
VII-IX.

How to Live--Fisher and Fisk, Chapters I, III-V.

The Human Mechanism--Hough and Sedgwick, Chapters V, XXII-XXIX.

Disease and Its Causes--Councilman, Chapters X, XII.

Fatigue and Efficiency--Goldmark, Chapters II, III.

Preventive Medicine and Hygiene--Rosenau.

A Manual of Personal Hygiene--6th Edition, Edited by Walter L. Pyle.

Four Epochs of a Woman's Life--Galbraith.

Hygiene and Physical Culture for Women--Galbraith.

The Home and Its Management--Kittredge.

Exercise and Health--F. C. Smith, Supplement 24 to the Public Health
Reports, Government Printing Office, Washington.

The Sanitary Privy--Farmers' Bulletin 463, United States Department of
Agriculture, Government Printing Office, Washington.

Safe Disposal of Human Excreta at Unsewered Homes--Lumsden, Stiles and
Freeman, Bulletin 68, Public Health Reports, Government Printing Office,
Washington.

The Disposal of Human Excreta and Sewage of the Country Home--New York
State Department of Health, Albany.

Milk and Its Relation to Public Health--Bulletin 56, Hygienic
Laboratory, Government Printing Office, Washington.

Milk and Its Relation to Health--New York State Department of Health,
Albany.

Other Publications of the United States Public Health Service and of the
Departments of Health of the different states and cities.

CHAPTER III

BABIES AND THEIR CARE

The principles of hygiene are fundamentally the same for young and old.
The applications, however, differ at different ages. From the time when
physical growth and development are complete until changes due to old
age appear, an individual commonly has greater resistance than at other
ages, and is able in consequence to endure unfavorable conditions of
life with more success.

Babies, on the other hand, are exceedingly sensitive to their
environment. Surroundings that are even slightly unfav