我们常见一些儿童捡食墙皮、生米等现象,以为小孩年幼无知,误食脏东西。殊不知,这些孩子是由于体内缺乏某种元素在取所需呢,医学上称为“异食癖”。人体是由各种元素(包括宏量和微量元素)组成的,其中很多元素为酶的必需组分,可以调节多种生理功能(如维持渗透压、氧转运、肌肉收缩、神经系统完整性),也是组织和骨的生长及维持所必 We often find some children pick up the wall, raw rice and other phenomena, that young children ignorance, eating dirty things. As everyone knows, these children are due to lack of certain elements in the body take what they need, medically known as “pica.” The human body consists of a variety of elements, including macro and microelements, many of which are essential components of the enzyme that regulate a variety of physiological functions (such as maintaining osmotic pressure, oxygen transport, muscle contraction, and neurological integrity) It is also necessary for the growth and maintenance of tissues and bones