甲醛危害
Formaldehyde hazard
其浓度在每立方米空气中达到0.08-0.09mg/m3时，儿童就会发生轻微气喘。当室内空气中达到0.1mg/m3时，就有异味和不适感；达到0.5mg/m3时，可刺激眼睛，引起流泪；达到0.6mg/m3，可引起咽喉不适或疼痛。浓度更高时 ，可引起恶心呕吐， 咳嗽胸闷，气喘甚至肺水肿；达到30mg/m3时，会立即致人死亡。
When the concentration reaches 0.08-0.09mg/m3 per cubic meter of air, children will have slight asthma. When the indoor air reaches 0.1mg/m3, there will be peculiar smell and discomfort; when it reaches 0.5mg/m3, it can stimulate eyes and cause tears; when it reaches 0.6mg/m3, it can cause throat discomfort or pain. When the concentration is higher, it can cause nausea and vomiting, cough and chest tightness, asthma and even pulmonary edema; when it reaches 30mg / m3, it will immediately cause death.
长期接触低剂量甲醛的危害有：引起慢性呼吸道疾病，引起鼻咽癌、结肠癌、脑瘤、月经紊乱、细胞核的基因突变，DNA单链内交连和DNA与蛋白质交连及抑制DNA损伤的修复、妊娠综合症、引起新生儿染色体异常、白血病，引起青少年记忆力和智力下降。
The hazards of long-term exposure to low-dose formaldehyde include: chronic respiratory disease, gene mutation of nasopharyngeal carcinoma, colon cancer, brain tumor, menstrual disorder, nucleus, DNA single strand and DNA protein cross, repair of DNA damage inhibition, pregnancy syndrome, chromosomal abnormality of newborn, leukemia, memory and intelligence decline of teenagers.
甲醛中毒不同的体征和症状
Different signs and symptoms of formaldehyde poisoning
吸入甲醛可引起刺激鼻子，眼睛和喉咙，头痛，皮肤损伤。当经口吞食，甲醛可导致胃和食管烧灼感。
Inhalation of formaldehyde can cause irritation of nose, eyes and throat, headache, skin damage. When swallowed, formaldehyde can cause a burning sensation in the stomach and esophagus.
其他常见的症状包括胸闷，恶心，皮肤，皮疹，哮喘，等。在严重的情况下，当摄入甲醛可导致昏迷甚至死亡。
Other common symptoms include chest tightness, nausea, skin, rash, asthma, etc. In severe cases, formaldehyde can cause coma or even death.