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Related Experiment Videos

Pica: common but commonly missed.

E A Rose1, J H Porcerelli, A V Neale

  • 1Department of Family Medicine, Wayne State University, Detroit, USA.

The Journal of the American Board of Family Practice
|September 23, 2000
PubMed
Summary

Pica, the compulsive eating of non-food items, affects women and children, particularly in low socioeconomic areas. Its causes are multifactorial, potentially linking it to obsessive-compulsive disorders.

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Area of Science:

  • Behavioral Science
  • Nutritional Science
  • Psychiatry

Background:

  • Pica is the compulsive ingestion of nonnutritive substances.
  • It can lead to significant medical complications.
  • The exact cause of pica remains unclear despite its long history.

Purpose of the Study:

  • To review the literature on pica.
  • To understand its prevalence, associated conditions, and potential causes.
  • To highlight the importance of recognizing this disorder.

Main Methods:

  • Literature search of MEDLINE and PSYCH-Lit databases.
  • Keywords included "pica," "obsessive-compulsive disorder," "iron-deficiency anemia," and "nutrition."
  • Search covered publications from 1964 to the present.

Main Results:

  • Pica is more prevalent in women (especially pregnant women) and children.
  • It is commonly observed in low socioeconomic status populations.
  • Complications include iron-deficiency anemia, lead poisoning, and parasitic infections.

Conclusions:

  • Pica is likely driven by multiple factors.
  • Emerging evidence suggests a link to obsessive-compulsive spectrum disorders.
  • Awareness is crucial as pica is often overlooked.

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