Geophagia - Wikipedia

Pewtergeist, Pokemon Incandescent Wiki

How to eat rocks - Quora

What is wrong with eating stones? - Quora

Geophagia - Wikipedia

Mineral (nutrient) - Wikiwand

Blood FAQs • The Blood Project

Do things that we aren't supposed to eat (plastic, metal, dirt) have

Fecal–oral route - Wikipedia

According to this guy, clay is poisonous to animals, and is definitely not just fancy mud. : r/confidentlyincorrect