28 THE VITAMINES 



Research on rickets was undertaken experimentally only in late 

 years, although Miller (37) had already associated rickets with a 

 particular dietary even before the vitamines were known. He 

 thought that many of his cases were due to a lack of butter, and 



FIG. 1 FIG. 2 FIG. 3 



FIG. 1. DECREASE IN THE NUMBER OP CASES OP BERIBERI IN THE JAPANESE 

 NAVT AFTER THE INTRODUCTION OP MEAT INTO THE DIETARY (TAKAKI) 



FIG. 2. THE CALORIC VALUE OF THE FOOD DIMINISHED (TAKAKI) (CF. FIG. 1) 

 FIG. 3. THE BOOT WEIGHT INCREASED (TAKAKI) (CF. FIGS. 1-2) 



consequently prescribed milk, cream, butter, egg-yolk and cod liver 

 oil. Schabad (38) saw a marked difference between olive oil, sesame 

 oil, and cod liver oil in their influence on rickets, and in a later 

 work (39) he discusses the question as to the nature of the curative 

 substance. 



