Geophagia has been around for centuries. In the 18th century, Roman physicians reported on the effects of eating dirt. Scholars have studied the act of eating dirt in contemporary urban South Africa.

Farmers in Peru's Andean highlands have been consuming clay for centuries. Scientists now think it may have allowed them to eat wild potatoes,... Talking about clay makes Amilcar Apaza nostalgic for ...

The parrots of Southeastern Peru crave an earthy delicacy: dirt. At the Colorado clay lick, a cliff face rising above the Tambopata River in the western Amazon Basin, parrots — often hundreds at a ...

Pica is eating something that is not food–notably in large quantities and on a regular basis. What do people who have pica eat? The list is a long one: ashes, balloons, chalk, metal, grass, crayons, ...

Shailene Woodley, star of “Divergent” and “The Fault in Our Stars,” eats clay. Zoë Kravitz once lost 20 pounds eating clay. Juice Generation, the popular purveyor of liquid lunches that’s partially ...

Talking about clay makes Amilcar Apaza nostalgic for his childhood in Juliaca, Peru, a city in the Andean highlands. He remembers gathering with his family in his grandmother's fields in the nearby ...