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One of the most important uses of iodine is prevention of thyroid problems as iodine is a vital mineral for our body which is necessary for the synthesis of thyroid hormones.Iodine, in form of silver iodide is used in photography.Here, are some more uses of iodine related to the human body, medical uses and some other uses. Uses of Iodine. Prevention of Goiter: Lack of iodine causes goiter (abnormal expansion of the thyroid gland).odine, in form of silver iodide is used in photography. Here, are some more uses of iodine related to the human body, medical uses and some other uses. Uses of Iodine. Prevention of Goiter: Lack of iodine causes goiter (abnormal expansion of the thyroid gland).
1 Lugol's iodine may also be used as an oxidizing germicide, however it is somewhat undesirable in that it may lead to scarring and discolors the skin temporarily. 2  One way to avoid this problem is by using a solution of 70% ethanol to wash off the iodine later. Lugol's solution provides a strong source of free iodine and iodide to reef inhabitants and macroalgae. 2  Although the solution is thought to be effective when used with stony corals, systems containing xenia and soft corals are assumed to be particularly benefited by the use of Lugol's solution.