加州大学环境毒理学家Russ Flegal称，“异食癖理论充其量也只是个未经证明的假设。”
Russ Flegal, an environmental toxicologist at the University of California, says the pica theory is "unsubstantiated at best".
医生称她患上了一种罕见的异食癖，主要症状是对那些非营养性的物质有胃口。
According to doctors, the toxic compulsion is a rare medical condition, PICA, which causes an appetite for substances that are largely non-nutritive.
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