每隔几个月,便有人提出某种元素已被发现为污染物.其含量在人类食物.或甚至在人体组织中已达到危险水平.我们最近已肯定了汞和铅的污染,而下一个元素很可能将是镉。其他重金属元素,如As、Cr和Ni,从它们的毒性、贮留性和丰度来看,无疑将会接踵而来。 通常,由于数据的缺乏,使人对结论中的争议感到苦恼。情况是复杂的:病症可能涉及到中枢神经系统,包括疲倦、抑郁和烦燥;对体内重金属的等量负荷.各人的反应差别很大;甚至用同样膳食,每 Every few months, it has been suggested that a certain element has been found to be a contaminant, its content is already in dangerous levels in human food, or even in human tissue, and we have recently identified mercury and lead contamination while the next The element is likely to be cadmium. Other heavy metal elements, such as As, Cr and Ni, will undoubtedly follow one another in terms of their toxicity, storage and abundance. Often, the lack of data disturbs the controversy in the conclusions. The situation is complicated: the condition may involve the central nervous system, including fatigue, depression and irritability; the same load on the body of heavy metals. Each person’s response varies greatly; even with the same diet, each