the smoker himself. He will readily admit that 
excess is bad. He will readily admit that the 
use of tobacco is not suitable to immature per- 
sons, or in fact to many other persons, but he 
insist that in the majority of cases, it is not 
only practically harmless but that it has many 
desirable qualities, for that is proved by his 
own experience and the experience of millions 
of other smokers in all ages and under all con- 
ditions: . 
We will now proceed to consider some of the 
effects which. have been ascribed to tobacco 
smoking and give expressed opinions concern- 
ing them. 
Puysicat Errects or Topacco Smoxine 
The principal deleterious effects on the hu- 
man system ascribed to the use of tobacco are: 
(a) Throat diseases. 
(b) Disturbance of vision. 
(c) Heart troubles (smokers’ heart). 
(d) Disturbance of the digestive organs 
(dyspepsia, etc.). 
(e) Disturbance of the nervous system. 
(f) Disturbance of nutrition. 
As regards (a) throat diseases, the following 
is the opinion of Dr. H. Reik of the Johns Hop- 
kins University, surgeon to the Baltimore Eye, 
Ear and Throat Hospital, as expressed by him ~ 
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