After the renovation of indoor formaldehyde is very common, and is also a lot of people are a headache, because of formaldehyde over the standard caused by allergies, irritation, children's diseases and other issues make our lives very troublesome. What harm does formaldehyde have to the human body? Where does it come from? This period follows Xiaobian together to understand the hazards of formaldehyde.
First, the harm of formaldehyde to the human body
The effects of formaldehyde on human health are mainly reflected in abnormal sense of smell, irritation, allergy, abnormal lung function, abnormal liver function, and abnormal immune function.
1, skin contact caused by allergies
Formaldehyde can cause allergic dermatitis, pigmentation, and necrosis. Human skin and formaldehyde are in direct contact, or in a high concentration of formaldehyde, our skin will gradually lose moisture, produce wrinkles, reduce secretion of sweat, hinder the body's normal metabolism, and clog pores, grow acne, more serious may be Causes skin itching, ulceration, and small blood spots.
Formaldehyde can cause the body to absorb poisons through the respiratory tract and skin, leading to headaches, nausea, chest tightness, drowsiness, tremors, changes in blood and hematopoietic function, and effects on the nervous system, liver, kidney, and immune system.
2, have a stimulatory effect on the human body
The hazards of formaldehyde are also irritating to the skin and mucous membranes. Formaldehyde is the original plasma poison and can bind to proteins. Concentration of formaldehyde greater than 0.08m3 can cause redness, itching, throat discomfort or pain, hoarseness, sneezing, chest tightness, wheezing, dermatitis and so on.
Inhalation of high concentrations of formaldehyde will cause serious irritation in the human respiratory tract, induce bronchial asthma, chest tightness, edema and other organisms immune imbalance, affect the central nervous system function, but also may affect the digestive system, severe liver and hematopoietic function can be damaged.
3, excessive concentration can cause cancer
High concentrations of formaldehyde are a genotoxic substance. Laboratory animals can cause nasopharyngeal tumors when inhaled in high concentrations in the laboratory.
Formaldehyde has great damage to human cell proteins and the retina of the optic retina, resulting in abnormal lung, liver and immune function. It is classified as a suspicious carcinogen by the International Association for Research on Cancer. Studies have shown that formaldehyde has a strong carcinogenic and cancer-promoting effect.
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