First, the importance of iodine to human body
1, iodine can maintain the body's energy metabolism and heat production, and the reduction of thyroid hormone synthesis caused by iodine deficiency will lead to basic life damage and physical decline, which is lifelong.
2, promote physical development, thyroid hormone regulates the growth and development period, children's bone development, sexual development, muscle development and height and weight, thyroid deficiency will lead to physical development, sexual development, short stature, muscle weakness and so on.
3, brain development, in a certain period of fetal or infant brain development, we must rely on thyroid hormone, the lack of thyroid hormone will lead to different degrees of brain development backwardness, there will be different degrees of mental retardation, this obstacle is irreversible, iodine supplementation can ensure the normal development of the body, correct hypothyroidism, and indirectly improve intellectual activity.
Second, food containing iodine.
1, fish Fish is easy to digest and absorb, and regular consumption can help people to supplement iodine effectively. Such as tuna and sardines.
2. fruit. Grapes, oranges, pineapples and bananas are all very high in iodine and can be eaten properly.
3. vegetables. Celery, spinach, Chinese cabbage, Chinese cabbage, green pepper and other vegetables have high iodine content.
Third, the misunderstanding of iodine supplementation
1. Eating iodized salt every day leads to iodine excess. The recommended daily amount of iodine for adults is 150 micrograms. When people in China cook, after deducting the loss of storage and cooking, the iodine intake is lower than the standard recommended by the World Health Organization.
Residents in coastal areas often eat seafood and don't need to eat iodized salt. The loss of cooking is not considered in coastal areas. It is necessary to supplement iodine. If non-iodized salt is used, the iodine intake of more than 97% residents will be lower than the recommended intake.