PREVENTIVE MEASURES AGAINST SICKNESS 517 
Student Report 
Due to Some Plant or Animal 
Treatment by 
Prevented by 
In the water 
From contact 
Nature 
Medicine 
Antitoxin 
Personal care 
Quarantine 
Boiling the water 
Fumigation 
Killing flies 
Cold .... 
Measles . . . 
Whooping cough 
X 
X 
X 
X 
X 
Typhoid fever . 
Tuberculosis. . 
Add others . . 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
398. Public Parks and Baths. — With the rapid growth in 
population of cities, more and more people are concentrated 
in limited areas. The trees are removed from the streets 
and the buildings crowd close to the sidewalk, preventing 
the growth of even small plots of grass. To offset this great 
disadvantage, cities have set apart parks, where trees and 
grass can grow and where those who cannot get to the coun¬ 
try may have contact with nature. 
Closely associated with the parks is the public bath, which 
is a large “ swimming pool ” where all may have a chance 
for refreshment and play. A certain amount of play is not 
only desirable, but necessary, if one is to maintain the vigor 
of health. These two features in the life of our cities are 
very useful in helping to keep people well. There are a 
number of other reasons why public parks and baths are 
desirable. What are they? 
399. Preventive Measures against Sickness. — Now that 
people have come to understand some of the real causes of 
disease, they feel that they should do everything possible 
