“The term “pica” describes craving and chewing substances that have no nutritional value — such as ice, clay, soil or paper. Craving and chewing ice, known as pagophagia, is often associated with iron deficiency, with or without anemia, although the reason is unclear." Mayo Clinic
“The term “pica” describes craving and chewing substances that have no nutritional value — such as ice, clay, soil or paper. Craving and chewing ice, known as pagophagia, is often associated with iron deficiency, with or without anemia, although the reason is unclear." Mayo Clinic