19 April 2011

The Physiological Effects of Iodine

Introduction: Recently, as nuclear radiation has happened to the Japan, many people heard that iodine can prevent radiation, so they rushed to buy iodized salt. However, iodine can really help prevent radiation? In fact, it is not the fact.The physiological effects of iodine are carried out by thyroid hormone in the human body. Thyroid hormone is one of the most important hormones in the human body. So, what are the physiological effects of iodine? The following passage will give a detailed introduction.First of all, iodine can maintain the metabolism of energy in the body.Iodine may break down substances in the human body, to provide the energy needed for the basic life activities. What more, it can promote the production of heat, as well as to maintain the normal human body temperature. Iodine deficiency will reduce the synthesis of thyroid hormones, which can cause damage on the basic life activities and reduce the physical capacity.Second, iodine can contribute to the physical development.Iodine may regulate the development of bone and muscle for children growth and development stage. Iodine deficiency can cause physical retardation, muscle weakness, and other symptoms.Third, iodine may promote the development of the brain.For the fetus and infants, their brain development is closely linked to iodine. Accordingly, iodine deficiency will greatly influence the development of the brain and can even cause mental retardation, this disorder is essentially irreversible.After the introduction above, you can have a clear understanding of the physiological effects of iodine. While many people may also ask: what foods contain a large number of iodine?In General, foods that contain large amounts of iodine are mainly seafood, such as kelp, seaweed, dried scallops, mussels, sea cucumbers, jellyfish, lobsters and so on. Seaweed contains high content of iodine (one kilogram of fresh kelp contains more than 2000 micrograms of iodine); and follow-up of marine fish and shellfish. Apart from seafood, other foods such as eggs, milk and meat also contain a large number of iodine. Food plant contains the smallest amount of iodine in all foods.In addition, iodized salt contains a really small amount of iodine, including purified salt. Each one kilogram of sea salt contains about 20 micrograms of iodine. If a person takes in 10 grams of salt per day, it cannot be 2 micrograms of iodine. It is difficult to respond to the need for the prevention of disorders caused by iodine deficiency.