Staying in an environment containing formaldehyde for a long time will cause symptoms such as tears and cough, and even severe symptoms such as conjunctivitis and bronchitis.
Second, destroy the immune system.
Toxic and harmful substances contained in formaldehyde will stimulate the human body to reduce the production of T lymphocytes and antibodies, thus reducing immunity.
Third, the damage to the liver
The liver is the main organ for detoxification. If too much formaldehyde is inhaled, it will damage the liver and cause acute toxic hepatitis.
Fourth, the impact on the skin.
Formaldehyde is strongly irritating. If you are exposed to human skin for a long time, it is easy to have dermatitis and chapped skin. In severe cases, it will also lead to nail softening and discoloration.
Five, cause endocrine system disorder
Ordinary people exposed to too much formaldehyde can cause numbness of hands, feet and fingers, shaking hands, decreased sense of touch and other symptoms. If women are exposed to formaldehyde for a long time, it is easy to cause menstrual disorders.
Six, mutation and carcinogenesis
Many studies have shown that formaldehyde can destroy DNA structure. There have been experiments in which formaldehyde causes fatal mutation in mice. In addition, there are carcinogens in formaldehyde. Excessive inhalation can lead to various cancers and leukemia.
Seven, the impact on the nervous system
The most terrible thing is that formaldehyde will also act on the nervous system. In a sense, it is a nerve agent. Long-term exposure to formaldehyde can lead to headache, memory loss and insomnia.