WHAT IS PHYSICAL LIFE 



in the left lung between the shoulder- 

 blades, but in five days the child's vital 

 powers dealt successfully with them both. 

 She was now quite hungry and always had 

 her doll with her. Lastly, the weak in- 

 termittent pulse showed that the diph- 

 theria poison was doing its work. Now 

 on the twenty-fifth day of her illness for 

 the first time she took medicine, but it 

 took longer to relieve this complication 

 than in the case of any of the others, 

 before she finally recovered completely. 



I have told this long story simply to 

 show what a great and real thing vitality 

 is. The physician's duty is to see to it that 

 vitality has fair play in such a battle for 

 life. 



Therefore, instead of regarding the 

 principles of Hygiene as one would gen- 

 eral dictates to be good and virtuous, these 

 truths furnish quite specific reasons for 

 attending to health, for only thus can we 



