A review paper on Adverse Effects of Trace Elements

In this article, case reports and research studies from the literature on the unfavorable effects of excessive intake of some trace elements are reviewed. The metals Mn, Fe, I, Cu, and Zn, and the non-metal Se are considered trace elements’’ (TE) because of their essentiality and very limited quantity in humans. Some trace elements such as iron and copper, iodine, selenium and molybdenum are among the key nutrients that must be provided by dietary sources. Excessive amounts of these trace elements can Couse toxicity in human body. These toxic metals are accumulated in the dietary articles of man. Numerous foodstuffs have been evaluated for their contributions to the recommended daily allowance both to guide for satisfactory intake and also to prevent over exposure. In this review we summarized effects of various adverse of trace elements intake on human health.