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.
一些妇女认为，“异食癖”是很正常的，或者受好心的朋友和家庭成员的劝告吃一些粘土。
Some women believe that pica is normal, or are encouraged to eat substances like clay by well-meaning friends and family members.
组大鼠血清锌、骨锌、碱性磷酸酶（AKP）明显低于H、N组，出现异食癖、稀便、精神萎靡、肢体僵硬、毛发稀疏等缺锌症状表现。
The levels of serum Zn, bone Zn, AKP in L group were lower than those in N or H groups. The symptoms of Zn deficiency appeared in L Group.
加州大学环境毒理学家RussFlegal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".
在饮食上，要多给异食癖的孩子吃鱼、虾、瘦肉等高蛋白的食物及有硬壳的含锌、铁丰富的食物。
In the diet, it is necessary to give children pica eating fish, shrimp, lean meat, such as high-protein food and the hard shell of zinc, iron-rich food.
犬猫发生微量元素缺乏症时，出现舔墙、啃土、异食癖、贫血、皮肤病、免疫力下降等症状。
Deficiency of trace minerals will result in licking the wall, chewing the soil, biting the things, anemia, skin disease and lower immunity.
犬猫发生微量元素缺乏症时，出现舔墙、啃土、异食癖、贫血、皮肤病、免疫力下降等症状。
Deficiency of trace minerals will result in licking the wall, chewing the soil, biting the things, anemia, skin disease and lower immunity.
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