Geophagia

（重定向自Geophagist）

The silica in the soil particles that have been eaten by a South African woman shows up as white on this plain X-ray

Silky sifaka (Propithecus candidus) eating earth

Geophagia (pronounced /dʒiəˈfeɪdʒə, -dʒiə/) (also known as geophagy (pronounced /dʒiˈɒfədʒi/)) is the practice of eating earth or soil-like substrates such as clay or chalk. It occurs in non-human animals where it may be a normal or abnormal behaviour, and also in humans, most often in rural or preindustrial societies among children and pregnant women. Human geophagia may be related to pica, an eating disorder in the Diagnostic and Statistical Manual of Mental Disorders (DSM) characterized by abnormal cravings for non-nutritive items.

单词	Geophagist
释义	Geophagist 英语百科 Geophagia （重定向自Geophagist） Geophagia (pronounced /dʒiəˈfeɪdʒə, -dʒiə/) (also known as geophagy (pronounced /dʒiˈɒfədʒi/)) is the practice of eating earth or soil-like substrates such as clay or chalk. It occurs in non-human animals where it may be a normal or abnormal behaviour, and also in humans, most often in rural or preindustrial societies among children and pregnant women. Human geophagia may be related to pica, an eating disorder in the Diagnostic and Statistical Manual of Mental Disorders (DSM) characterized by abnormal cravings for non-nutritive items.
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