Genome-wide association of pica within a cohort of volunteer blood donors potentially implicates the gene encoding neuropeptide VF.

Abstract excerpt

BACKGROUND: Pica is an eating disorder characterized by the persistent craving and consumption of non-food substances such as ice, chalk, starch, or raw pasta. Pica symptoms are more common in people with iron deficiency and resolve upon treatment. Without iron supplementation, volunteer blood donors can become iron deficient after repeated donations, making them an ideal population to study pica. STUDY DESIGN...

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