Mercury poisoning can damage the brain and central nervous system! Pregnant women should carefully choose four foods before supplementing nutrition.

Jiang Shoushan (a famous doctor of kidney disease) is most taboo during pregnancy and pregnancy: mercury and organic mercury will accumulate in fetal brain. Mercury is widely used in industry, and daily necessities such as sphygmomanometer, thermometer, mercury battery, fluorescent lamp and herbicide also contain mercury. If these mercury-containing wastewater, waste gas and waste residue are not properly treated, it will not only pollute the environment, groundwater, rivers and sea areas. It will also be metabolized by microorganisms into organic mercury (the most common form is methylmercury), and then accumulated in organisms through the food chain. Once we eat these polluted organisms, it is equivalent to indirectly ingesting a lot of mercury, which can be said to be impossible to prevent. Organic mercury is especially dangerous to the developing fetus, because this kind of mercury is not only absorbed quickly, but also very toxic, which can invade the fetus through the placenta and accumulate in the brain of the developing fetus, thus causing cerebral palsy, spasm or other abnormal movements at birth, which is extremely harmful to the health of the fetus. Worryingly, pregnant women and lying-in women often eat more fish during pregnancy and postpartum in order to supplement DHA and other nutrients needed by their children. I don't know that big fish is the most serious food of mercury poisoning, but it makes pregnant women and fetuses more mercury poisoning. In 2005, the investigation on the mercury content in China people's hair published by the Environmental Protection Bureau found that people who eat more fish (3.68 mg/kg on average) are six times as many as those who don't eat fish (0.55 mg/kg on average). A study published by the University of Hong Kong found that women in Hong Kong eat more fish, and the mercury content in their babies' hair is high. In July, 2007, new york citizens' nutrition survey found that a quarter of adults in new york had high blood mercury content, which was related to how many fish they ate. The survey shows that the proportion of mercury in the blood of the rich is higher than that of the low-income people, and the proportion of Asian residents is also higher because they eat more fish. Mercury is one of the most toxic metals, which has a great influence on pregnant women, fetuses and young children. As long as there is a little exposure, it may cause harm. Hazard: Methyl mercury that harms the brain and central nervous system of fetus and infant mainly damages the cerebral cortex and central nervous system, especially the developing brain, so unborn fetus, infant and infant are most affected by mercury poisoning. Methylmercury can invade fetal brain tissue with blood through placenta, and can also be secreted into breast milk by mother, then absorbed by baby and accumulated in brain. Studies have also confirmed that the fetus is more sensitive to the harm of methylmercury. Even if the fetus ingests a small amount of methylmercury, it will still affect cognitive thinking, memory, attention, language, motor and visual space skills. There may be abnormalities such as cerebral palsy and spasm at birth, and the probability of being found to have attention deficit hyperactivity disorder (ADHD) is higher later. How to prevent mercury from harming yourself and your baby? Mercury will accumulate in organisms, so the more mercury the organisms at the back of the food chain contain, the accumulated mercury content will increase to 654.38+ million times. Therefore, you must choose carefully before eating, and try to avoid foods that are easy to accumulate a lot of mercury poisoning. Please pay attention! These foods may all contain "mercury". ① Aquatic products (especially large fish) have a strong ability to accumulate mercury. The results show that when the mercury content in water reaches 0.00 1 ~ 0.0 1 mg/L, the mercury content in goldfish can reach 800 times of that in water after 35 days by transferring and concentrating Chlorella → Daphnia → goldfish. By analogy, large marine fish (such as sharks and tuna) belonging to the back end of the food chain have the highest mercury content, so it is better to touch them less. ② Xiaoji, a traditional Chinese medicine, will test traditional Chinese medicine, and mercury is detected almost every time. The test results of 20 15 released at the beginning of 20 16 are even more shocking to see that mercury exceeds the standard by more than 30 times, which is quite amazing! Moreover, many traditional Chinese medicines not only contain mercury, but also contain other heavy metals such as lead. Even though I have been looking for non-toxic ingredients for many years, I haven't found any other safe traditional Chinese medicine except jujube produced in Taiwan Province Province, so I suggest to eat less Chinese medicine, especially pregnant women, lactating women and children under 6 years old, and try to avoid it. (3) Shark fin shark fin is taken from shark fin, and shark is a large marine fish which is easy to accumulate mercury poisoning, so it is often found to contain a lot of mercury. WildAid, an international conservation group, once inspected shark fins purchased in Taiwan Province Province and found that the highest mercury content was as high as 1 1.87PPM, far exceeding the standards of Japan, the United States, the European Union and WHO. Therefore, whether to avoid the extinction of sharks or for our own health, we should refuse to eat shark fin. According to the data of National Environmental Mercury Pollution Prevention and Control Engineering Technology Center, most of the mercury absorbed by crops from soil will accumulate in the roots, a small part will enter the stems and leaves, and even less will enter the seeds. The mercury content of general grain crops is rice > sorghum > corn > wheat, so it is best not to buy rice casually, and pay attention to the origin and inspection to ensure safety.