Dangers of excess iodine:

1. The impact of high iodine on thyroid function

Long-term excess iodine can increase the risk of hypothyroidism and hypothyroidism improve.

2. The impact of high iodine on intelligence

A number of epidemiological surveys among the population have shown that the IQ of students in high-iodine areas is significantly lower than that in iodine-appropriate areas. Most animal experimental studies have also proven that excessive iodine load can indeed reduce the brain weight of animals and reduce learning and memory, although this effect is not as obvious as the effect of iodine deficiency.

3. The impact of high iodine on sexual function

A study in the United States has shown that there is a certain relationship between the intake of iodized salt and male sperm count, suggesting that Americans should consume iodine Salt may cause a man's sperm count to decrease.

Extended information

Scientific use of iodine:

Iodized salt can effectively prevent iodine deficiency diseases. However, iodized salt should be consumed scientifically to improve the utilization of iodine.

First of all, the most important thing is to insist on eating iodized salt. The human body's iodine supplementation is a long-term, daily and life-oriented process. Normal people should consume iodized salt regularly, preferably every day. Secondly, the storage method of iodized salt must be appropriate. Iodized salt should be stored in glass or ceramic jars, sealed and placed in a cool and cool place. At the same time, iodized salt should not be stored for a long time and should be purchased as needed.

In the past, iodized salt was made by mixing potassium iodide into table salt. However, since potassium iodide is easily oxidized in the air, it will cause the loss of iodine and is more expensive. Therefore, my country has stipulated that table salt should be iodized since 1989. Instead of adding potassium iodide, potassium iodate (KIO 3) was added. Potassium iodate is a strong oxidant and will not be oxidized in the air or when exposed to light. Moreover, potassium iodate is an ionic crystal with a high boiling point and is non-volatile. Therefore, when cooking, there is no need to emphasize the cooking process before cooking or eating. Just add salt. Although iodized salt will not be oxidized in the air, in order to prevent it from being reduced, it is best to keep it sealed.

Baidu Encyclopedia-Iodized Salt

Baidu Encyclopedia-Iodine Excess