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What on Earth?

Sera L. Young

in Craving Earth: Understanding Pica--the Urge to Eat Clay, Starch, Ice, and Chalk

Published in print:
2012
Published Online:
November 2015
ISBN:
9780231146098
eISBN:
9780231517898
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231146098.003.0001
Subject:
Public Health and Epidemiology, Public Health

Pica is the scientific term for the craving and subsequent consumption of non-food items. While earth is the most commonly craved substance, the list of pica substances includes cornstarch, ice (if ... More


Dismissal and Damnation: A Historical Perspective on the Purported Causes of Pica

Sera L. Young

in Craving Earth: Understanding Pica--the Urge to Eat Clay, Starch, Ice, and Chalk

Published in print:
2012
Published Online:
November 2015
ISBN:
9780231146098
eISBN:
9780231517898
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231146098.003.0006
Subject:
Public Health and Epidemiology, Public Health

This chapter deals with how, for centuries, pica has been considered to be a behavior that is at best useless, and at worst injurious. It presents six groups of people who have historically been ... More


Craving Earth: Understanding Pica--the Urge to Eat Clay, Starch, Ice, and Chalk

Sera Young

Published in print:
2012
Published Online:
November 2015
ISBN:
9780231146098
eISBN:
9780231517898
Item type:
book
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231146098.001.0001
Subject:
Public Health and Epidemiology, Public Health

This book provides a portrait of pica, or non-food cravings, from earliest times to current times. It explains how humans have eaten earth, on purpose, for more than 2,300 years and that people also ... More


Putting the Pica Pieces Together

Sera L. Young

in Craving Earth: Understanding Pica--the Urge to Eat Clay, Starch, Ice, and Chalk

Published in print:
2012
Published Online:
November 2015
ISBN:
9780231146098
eISBN:
9780231517898
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231146098.003.0010
Subject:
Public Health and Epidemiology, Public Health

This chapter first discusses what we know about pica. Specifically that pica is ubiquitous; pica may be adaptive; pica is not due to hunger; pica is unlikely to contribute micronutrients to the diet; ... More


Pica to Protect and Detoxify

Sera L. Young

in Craving Earth: Understanding Pica--the Urge to Eat Clay, Starch, Ice, and Chalk

Published in print:
2012
Published Online:
November 2015
ISBN:
9780231146098
eISBN:
9780231517898
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231146098.003.0009
Subject:
Public Health and Epidemiology, Public Health

This chapter examines the final adaptive hypothesis on why animals and humans eat non-food substances, the protection-detoxification hypothesis. Under this hypothesis, pica is a protective behavior, ... More


Poisons and Pathogens

Sera L. Young

in Craving Earth: Understanding Pica--the Urge to Eat Clay, Starch, Ice, and Chalk

Published in print:
2012
Published Online:
November 2015
ISBN:
9780231146098
eISBN:
9780231517898
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231146098.003.0005
Subject:
Public Health and Epidemiology, Public Health

This chapter returns to what is clearly demarcated pica behavior, the purposive ingestion of craved non-food substances, and explores its purported negative consequences from a much more biomedical ... More


Pica as a Micronutrient Supplement

Sera L. Young

in Craving Earth: Understanding Pica--the Urge to Eat Clay, Starch, Ice, and Chalk

Published in print:
2012
Published Online:
November 2015
ISBN:
9780231146098
eISBN:
9780231517898
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231146098.003.0008
Subject:
Public Health and Epidemiology, Public Health

This chapter continues the discussion began in Chapter 7 and explores the possibility that a micronutrient deficiency motivates pica. It examines predictions that can be made from this hypothesis: ... More


A Biocultural Approach: A Holistic Way to Study Pica

Sera L. Young

in Craving Earth: Understanding Pica--the Urge to Eat Clay, Starch, Ice, and Chalk

Published in print:
2012
Published Online:
November 2015
ISBN:
9780231146098
eISBN:
9780231517898
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231146098.003.0002
Subject:
Public Health and Epidemiology, Public Health

This chapter outlines the biocultural framework, which is the perspective used to study pica. This framework spans both biology and culture. It encompasses the physical environment in which we have ... More


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