230 



BIOLOGY OF DEATH 



1.000 



100 



1 



g 



10 



O.I 



CONTROLLABLE. CAUSES OF DEATH 



<* THC LUNGS 





V 



i i i i i I i I i i i i i 



1900 01 02 03 O4 O5 O6 O7 Od 09 IO II iZ 13 /4 15 16 17 Id 



YLAR 



FIG. 52. Trend of death rates for four causes of death against which public health activities 



have been particularly directed. 



In figure 52 are given the trends of the death-rates 

 for four diseases against which public health and sani- 

 tary activities have been particularly and vigorously 



