Formaldehyde is a probable human carcinogen.

Formaldehyde is a colorless, strong-smelling gas used in making building materials and many household products. It is used in pressed-wood products, such as particleboard, plywood, and fiberboard; glues and adhesives; permanent-press fabrics; paper product coatings; and certain insulation materials. It is also used to make other chemicals.

Formaldehyde is quickly broken down in the air – generally within hours. It dissolves easily in water, but does not last long there, either.

When dissolved in water it is called formalin, which is commonly used as an industrial disinfectant, and as a preservative in funeral homes and medical labs. It can also be used as a preservative in some foods and in products, such as antiseptics, medicines, and cosmetics. Sometimes, although formaldehyde is not used, substances that release formaldehyde are. These have been found in cosmetics, soaps, shampoos, lotions and sunscreens, and cleaning products.

Formaldehyde can be added as a preservative to food, but it can also be produced as the result of cooking and smoking.

Formaldehyde also occurs naturally in the environment. Humans and most other living organisms make small amounts as part of normal metabolic processes.


  • https://www.cancer.org/cancer/cancer-causes/formaldehyde.html




Formaldehyde is a probable human carcinogen.

The EPA has classified formaldehyde as a "probable human carcinogen." National Cancer Institute researchers have concluded that, based on data from studies in people and from lab research, exposure to formaldehyde may cause leukemia, particularly myeloid leukemia, in humans.

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