read more from eating paint chips, or a parasitic infection Overview of Parasitic Infections A parasite is an organism that lives on or inside another organism (the host) and benefits (for example, by getting nutrients) from the host at the host's expense. Children are particularly susceptible because their nervous system is still developing. Studies also indicate that pica has led to the death of people with developmental disabilities. The puzzling phenomenon of pica has been recognized and described. read more, lead poisoning Lead Poisoning Lead poisoning affects many parts of the body, including the brain, nerves, kidneys, liver, and blood. Pica is a dangerous form of self-injurious behavior that occurs in people with developmental disabilities who are institutionalized. Pica is the persistent craving and compulsive eating of non-food substances. read more, blockages in the digestive tract Intestinal Obstruction An obstruction of the intestine is a blockage that completely stops or seriously impairs the passage of food, fluid, digestive secretions, and gas through the intestines. Pica is characterized by repeatedly consuming nonnutritive, nonfood substances (e.g., dirt, paint, gum, chalk, string, ice, or pebbles). However, sometimes what they eat causes complications, such as constipation Constipation in Adults Constipation is difficult or infrequent bowel movements, hard stool, or a feeling that the rectum is not totally empty after a bowel movement (incomplete evacuation). Behavioral interventions to reduce the pica of persons with developmental disabilities. A person with pica might eat relatively harmless items, such as ice. Usually, what people with pica eat does not harm them. People with the disorder pica compulsively eat items that have no nutritional value.
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