Is it heredity, mental illness, missing nutrients? The list of things people with pica may crave includes starch, clay, chalk, wood, burned matches, raw potatoes, laundry detergent, hair, feces and to
Nearly all little kids put weird things into their mouths. But children over age 2 -- or full-grown adults -- who regularly eat paint chips, stones, paper clips, cloth and other inedible items likely have a rare disorder: pica.
