Why on earth?: Evaluating hypotheses about the physiological functions of human geophagy

The Quarterly Review of Biology Vol/Iss. 86(2) The University of Chicago Press Published In Pages: 97-120
By Young, Sera L., Sherman, Paul W., Lucks, Julius B., Pelto, Gretel H.


Frequency of geophagy will be associated with nutrient deficiencies (104).


Nutrient deficiencies inferred from nutrient requirements of geophagist age-sex categories.


Test NameSupportSignificanceCoefficientTail
Spearman's rhoNot SupportedUNKNOWNUNKNOWNUNKNOWN