Pica disorder symptoms: Mother issues warning about compulsive condition that caused her son to eat screws

Shannon Litchfield, 48, believes her son, Cameron, 11, has pica – an eating disorder where a person compulsively swallows non-food items

How to Recognize Pica: 10 Steps (with Pictures) - wikiHow

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Pica: Signs, Symptoms, & Treatments

Pica - National Eating Disorders Association

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The Causes and Medical Issues Associated With Pica - GoodRx

What Is Pica Disorder?

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The Causes and Medical Issues Associated With Pica - GoodRx