The word pica comes from the Latin word for magpie, a bird known for its large and indiscriminate appetite.
Pica is most common in people with developmental disabilities, including autism and mental retardation, and in children between the ages of 2 and 3. Pica also may surface in children who’ve had a brain injury affecting their development. It can also be a problem for some pregnant women, as well as people with epilepsy.
People with pica consume nonfood items such as paper, chalk , baking soda, buttons, ice etc.