Pica is a pattern of eating non-food materials, such as dirt or
paper. Pica is seen more in young children than adults. Between
10 and 32% of children ages 1 - 6 have these behaviors. Pica can
also occur during pregnancy. In some cases, a lack of certain
nutrients, such as iron deficiency anemia and zinc deficiency,
may trigger the unusual cravings. Pica may also occur in adults
who crave a certain texture in their mouth. Children and adults
with pica may eat: This pattern of eating must last for at least
1 month to fit the diagnosis of pica. There is no single test
for pica. However, because pica can occur in people who have
lower-than-normal nutrient levels and poor nutrition
(malnutrition), the health care provider may test blood levels
of iron and zinc. Blood tests can also be done to test for
anemia. Lead levels should always be checked in children who may
have eaten paint or objects covered in lead-paint dust to screen
for lead poisoning. The health care provider may test for
infection if the person has