Geophagy was focus of a recent BBC-Future story: http://www.bbc.com/future/story/20160615-the-people-who-cant-stop-eating-dirt. I was so happy that they took our evolutionary perspective on pica very seriously!
Geophagy was focus of a recent BBC-Future story: http://www.bbc.com/future/story/20160615-the-people-who-cant-stop-eating-dirt. I was so happy that they took our evolutionary perspective on pica very seriously!