Do you ever have a craving for chocolate that won’t let you concentrate until you satisfy it? Have you known a pregnant woman whose appetite seems to glitch like a faulty computer? These urges are nothing compared to those who suffer from the eating disorder pica.

In this article, our friends at Stuff I Learned lead us through an informative and fascinating explanation of the phenomenon that can lead people to forsake biting their fingernails and, instead, start chewing on the metal kind.

Pica is a psychological and a compulsive eating disorder. People with Pica will crave or eat items that are not food and have no nutritional value. …

Pica – A disorder that urges you to eat non food items