6 



HAROLD L. HIGGINS 



level will vary according to the amount of water in the food taken, both 

 molecular and potential (hydrogen), and to the amount of water excreted 

 by lungs and skin (influenced in turn by weather, body temperature and 

 activity). This "critical level" with the fasting man, Levanzin, was 

 apparently between seven hundred and fifty and nine hundred cubic centi- 

 meters per day. The following table gives us some data as to the water 

 balance in his fast: 



TABLE 1 

 WATER BALANCE OF FASTING MAN 



* Assuming one gram body material yielded one gram water on combustion. 

 (Data for table from Benedict.) 



Examination of the table shows that the subject lost considerable fluid 

 during the first five days of the fast ; this was coincident with and prob- 



