KINETIC DISEASES 237 



emotional American, the excitable Jew, the bank 

 president, the bon vivant, these are the men whose 

 days are shortened by early hardening of the arteries ; 

 who preempt to themselves the cardiovascular and, 

 likewise, the cardiorenal diseases. The superlatively 

 emotional Jew, besides being a frequent victim of 

 cardiovascular disease, is likewise a frequent sufferer 

 from the allied condition, endarteritis obliterans. 

 Among animals the high-spirited wild animals in cap- 

 tivity, the mettlesome race horse, and the dray horse, 

 fretted and driven often beyond its capacity, are fre- 

 quent sufferers from cardiovascular disease. The som- 

 nolent, unfettered cow is exempt. 



Note on Thrombo-angiitis Obliterans 



The likeness of thrombo-angiitis obliterans (endar- 

 teritis obliterans) to cardiovascular disease and other 

 kinetic diseases is shown by many interesting clinical 

 facts. This disease is characterized by a gradual 

 obliteration of the arteries, leading to progressive 

 anemia with dry gangrene of the extremities, first of 

 the digits, then of the feet and hands, and finally of 

 the major portions of the limbs. It occurs in the most 

 active period of life of the males of those races and 

 individuals who preeminently are exponents of the 

 "strenuous life," a high percentage of victims of this 

 disease being found among the Jews. Its early stages 

 are marked by cycles of phenomena which bear a 

 definite relation to nerve strain, to overwork and, par- 

 ticularly, to emotional excitation. The first symptom 

 is a sensation of cold, numbness and tingling in the 

 extremities, being followed, as the disease progresses, 



