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At present, formaldehyde is the main pollutant in newly renovated homes in China. Children are at high risk of indoor environmental pollution. The relationship between formaldehyde pollution and childhood leukemia should attract the attention of the whole society.
Zhang Miao, who lives in Jialing District of Nanchong City, is only 12 years old, lively and lovely, and has excellent grades. However, at the beginning of this year, the girl of the flower season left the world. In 2015, she was diagnosed with leukemia. After more than a year of treatment, she was still unable to return to the sky.
Although Zhang Miao is thin and her physical quality is not bad, her father Zhang Hongming has never mentioned her daughter. In 2014, Zhang Hongming, who had been working in Nanchong City, bought a set of existing homes in Jialing District. Considering that her daughter was going to go to middle school soon, the family took out most of the savings and took time to decorate. During the Spring Festival, the family moved in. In 2015, Zhang Miao was admitted to a junior high school in the city and lived with her parents in a new house. However, slowly, Zhang Miao appeared multiple nosebleeds, often fever, pale. The mother took the hospital and the doctor told the girl that she had leukemia. When the doctor asked about the case, he learned that Zhang Hongming had been renovated at home and moved two months after the completion. He suggested that he look for a professional institution to test formaldehyde. "I couldn't think of it. The formaldehyde actually exceeded the standard by 7 times. My daughter was killed by the new house." Thinking of her daughter, Zhang Hongming was in a difficult mood to calm down.
After entering the summer, many parents found that children who stayed in the room for a long time loved their eyes and sneezed. They also had some inexplicable erythema and lumps. Many parents thought that they were caused by mosquito bites or lice. However, this may actually be an allergic reaction caused by excessive formaldehyde in the house caused by house decoration, or even some early symptoms of childhood leukemia.
Clinical data show that in children with malignant diseases, leukemia has accounted for 70%, and the rest are lymphomas and brain tumors. Although the cure rate of leukemia has reached 80% from medical technology, it is also called the first killer of childhood malignant diseases. According to the World Health Organization's announcement, formaldehyde, a highly toxic pollutant in the decoration materials, can cause not only nasopharyngeal cancer, sinus cancer, but also leukemia. Formaldehyde, also known as ant aldehyde, is an irritating gas emitted from the decoration materials. It has continuous volatilization characteristics, and the volatilization cycle generally lasts for 3-8 years. It is a high-volatility period within 3 years of newly renovated or renovated. Summer hot weather and winter heating period are usually the peak period of formaldehyde emission, which is 20% to 30% higher than usual.
What are the other "common diseases at home"?
Toluene - mainly from some solvents, perfumes, detergents, wallpapers, adhesives, paints, etc., the amount of toluene produced by smoking in indoor environments is also considerable. According to US EPA statistics, for filterless cigarettes, the toluene content in mainstream smoke is about 100~200ug, and the side/mainstream smoke toluene concentration ratio is 1.3.
Xylene - derived from solvents, pesticides, polyester fibers, tapes, adhesives, wallpapers, paints, wet-process photocopiers, pressboard products and carpets. Inhalation of high concentrations of xylene can cause loss of appetite, Nausea, vomiting, and abdominal pain can sometimes cause reversible damage to the liver and kidney. At the same time, xylene is also an anesthetic. Long-term exposure can cause nervous system dysfunction.
氡——Building materials are the main source of indoor enamel, such as granite, brick sand, cement and gypsum, especially natural stone containing radioactive elements, which are easy to release enamel. The radiation in the body comes from the decay of radioactive radiation. When it acts on the human body, it will decay into a nuclides that the body can absorb. It enters the respiratory system of the human body and causes radiation damage, which induces lung cancer. In vitro radiation means that the radiation in natural stone directly illuminates the human body, causing damage to the hematopoietic organs, nervous system, reproductive system and digestive system in the human body.
The following points should be made when performing interior decoration:
1, pay attention to indoor air circulation, more open doors and windows ventilation, especially the newly renovated living room, it is best to open the window for 1 to 3 months and then stay.
2. When decorating new houses and purchasing furniture, it is necessary to strictly control the materials and prevent indoor pollution from the source.
3, cigarettes are also one of the main sources of indoor formaldehyde pollution, do not smoke, especially families with children, because passive smoking is an important cause of childhood leukemia.
4, planting indoor plants such as spider plants, rich trees, etc., both beautiful and can improve indoor air quality.
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