甲醛对人体有哪些影响 赵建奇 徐州矿务集团总医院 скачать в хорошем качестве

甲醛对人体有哪些影响 赵建奇 徐州矿务集团总医院

甲醛对人体有哪些影响 赵建奇 徐州矿务集团总医院 甲醛对人体主要有以下几个方面的影响：1.刺激作用：甲醛的主要危害表现为对皮肤黏膜的刺激作用，甲醛是原浆毒物质，能与蛋白质结合、高浓度吸入时出现呼吸道严重的刺激和水肿、眼刺激、头痛。对呼吸系统造成伤害。甲醛作为一种刺激性气体，首先对呼吸系统的健康运转造成严重干扰，甲醛可以严重刺激呼吸系统造成呼吸系统方面疾病。2.致敏作用：皮肤直接接触甲醛可引起过敏性皮炎、色斑、坏死，吸入高浓度甲醛时可诱发支气管哮喘。甲醛刺激皮肤表层，患有皮肤性疾病的患者在长时间接触甲醛后，可能加重病情并引发连锁症状。3.致突变作用：高浓度甲醛还是一种基因毒性物质。实验动物在实验室高浓度吸入的情况下，可引起鼻咽肿瘤。甲醛可以增加癌症发病几率，具有致命性的攻击性，尤其是免疫能力较低的婴幼儿或老年人。引发多种症状甲醛浓度严重超标，人体就会表现一系列抵抗措施，恶心、头痛、胸闷气短等症状的出现验证甲醛浓度的异常。尤其是处于妊娠期的孕妇，如果长时间吸收大量的甲醛气体，很容易造成胎宝宝发育异常并畸形或死亡。 What effects does formaldehyde have on human body Formaldehyde has the following effects on human body: 1. Stimulation: the main harm of formaldehyde is the stimulation of skin and mucous membrane, Formaldehyde is a toxic substance, It can combine with protein. When inhaled in high concentration, it will cause serious irritation and edema of respiratory tract, eye irritation and headache. Damage to the respiratory system. Formaldehyde as an irritant gas, First, it causes serious interference to the healthy operation of the respiratory system, Formaldehyde can seriously stimulate the respiratory system and cause respiratory diseases. 2. Sensitization: direct contact of skin with formaldehyde may cause allergic dermatitis, pigmentation and necrosis, Inhalation of high concentrations of formaldehyde can induce asthma. Formaldehyde irritates the skin surface, Patients with skin diseases after prolonged exposure to formaldehyde, May aggravate the condition and cause chain symptoms. 3. Mutagenicity: high concentration formaldehyde is also a genotoxic substance. In the case of high concentration inhalation in the laboratory, May cause nasopharyngeal tumor. Formaldehyde can increase the risk of cancer, It's deadly, Especially for infants or the elderly with low immunity. The formaldehyde concentration of various symptoms is seriously over standard, The human body will show a series of resistance measures, The presence of nausea, headache, chest distress and shortness of breath confirmed the abnormality of formaldehyde concentration. Especially pregnant women in pregnancy, If a large amount of formaldehyde gas is absorbed for a long time, It is easy to cause abnormal development and deformity or death.