Summary:
- The article provides a detailed scientific overview of formaldehyde (CH2O), explaining its chemical structure, its natural occurrence in biological systems, and its role as a metabolic intermediate.
- It explores the toxicological profile of the compound, discussing the mechanisms of DNA-protein crosslinking and the historical context of its classification as a carcinogen.
- The content critically examines the distinction between endogenous formaldehyde produced by the human body and exogenous exposure from industrial or environmental sources.