1 68 ELEMENTARY BIOLOGY 



3. The breath of the smoker, too, is frequently offensive. 



4. The discoloration of the teeth does not add to one's 

 attractiveness, nor does the discoloration of the fingers of 

 cigarette smokers. 



Perhaps no smoker makes himself offensive on all of these 

 scores ; but, taken together, these objections to the practice 

 are just as real and just as serious as questions of cost or 

 even of health. 



There is a real fire risk involved by the wide practice of smoking ; 

 this can be measured by insurance experts, and can be controlled and 

 reduced by police and educational measures. 



